T Wang

Summary

Affiliation: University of Aarhus
Country: Denmark

Publications

  1. ncbi request reprint The comparative physiology of food deprivation: from feast to famine
    Tobias Wang
    Department of Zoophysiology, Aarhus University, 8000 Aarhus C, Denmark
    Annu Rev Physiol 68:223-51. 2006
  2. pmc Time domains of the hypoxic ventilatory response in ectothermic vertebrates
    Cosima Porteus
    Department of Zoology, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
    J Comp Physiol B 181:311-33. 2011
  3. pmc High-resolution ex vivo magnetic resonance angiography: a feasibility study on biological and medical tissues
    Anne S Rasmussen
    MR Research Centre, Aarhus University Hospital, Aarhus, Denmark
    BMC Physiol 10:3. 2010
  4. ncbi request reprint Ecology. The heartbreak of adapting to global warming
    Tobias Wang
    Department of Zoophysiology, Aarhus University, 8000 Aarhus, Denmark
    Science 315:49-50. 2007
  5. doi request reprint Changes in pulmonary blood flow do not affect gas exchange during intermittent ventilation in resting turtles
    Tobias Wang
    Zoophysiology, Department of Biological Sciences, University of Aarhus, 8000 Aarhus C, Denmark
    J Exp Biol 211:3759-63. 2008
  6. ncbi request reprint Interactive effects of mechano- and chemo-receptor inputs on cardiorespiratory outputs in the toad
    T Wang
    Biosciences, The University of Birmingham, Edgbaston, UK
    Respir Physiol Neurobiol 140:63-76. 2004
  7. ncbi request reprint Ventricular haemodynamics in Python molurus: separation of pulmonary and systemic pressures
    Tobias Wang
    Department of Zoophysiology, University of Aarhus, 8000 Aarhus C, Denmark
    J Exp Biol 206:4241-5. 2003
  8. ncbi request reprint Effects of temperature on the metabolic response to feeding in Python molurus
    Tobias Wang
    Center of Old Fashioned Physiology, Stationsgade 26, 8240, Risskov, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 133:519-27. 2002
  9. ncbi request reprint Intracardiac flow separation in an in situ perfused heart from Burmese python Python molurus
    Tobias Wang
    Department of Zoophysiology, University of Aarhus, 8000 Aarhus C, Denmark
    J Exp Biol 205:2715-23. 2002
  10. doi request reprint Gas exchange in frogs and turtles: how ectothermic vertebrates contributed to solving the controversy of pulmonary oxygen secretion
    T Wang
    Zoophysiology, Department of Biological Sciences, Aarhus University, Aarhus, Denmark
    Acta Physiol (Oxf) 202:593-600. 2011

Detail Information

Publications73

  1. ncbi request reprint The comparative physiology of food deprivation: from feast to famine
    Tobias Wang
    Department of Zoophysiology, Aarhus University, 8000 Aarhus C, Denmark
    Annu Rev Physiol 68:223-51. 2006
    ..Such animals, however, must be able to restore digestive functions soon after feeding, and these transitions appear to occur at low metabolic costs...
  2. pmc Time domains of the hypoxic ventilatory response in ectothermic vertebrates
    Cosima Porteus
    Department of Zoology, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
    J Comp Physiol B 181:311-33. 2011
    ..If we are to distinguish between the genetic, developmental and environmental influences underlying the various ventilatory responses to hypoxia, however, we must design future experiments with time domains in mind...
  3. pmc High-resolution ex vivo magnetic resonance angiography: a feasibility study on biological and medical tissues
    Anne S Rasmussen
    MR Research Centre, Aarhus University Hospital, Aarhus, Denmark
    BMC Physiol 10:3. 2010
    ..To demonstrate the usefulness of this method, examples are provided from four different tissues and species: the human placenta, a rice field eel, a porcine heart and a turtle...
  4. ncbi request reprint Ecology. The heartbreak of adapting to global warming
    Tobias Wang
    Department of Zoophysiology, Aarhus University, 8000 Aarhus, Denmark
    Science 315:49-50. 2007
  5. doi request reprint Changes in pulmonary blood flow do not affect gas exchange during intermittent ventilation in resting turtles
    Tobias Wang
    Zoophysiology, Department of Biological Sciences, University of Aarhus, 8000 Aarhus C, Denmark
    J Exp Biol 211:3759-63. 2008
    ..We conclude that increases in pulmonary blood flow associated with ventilation are not required to maintain resting rates of oxygen uptake and CO2 excretion in resting animals...
  6. ncbi request reprint Interactive effects of mechano- and chemo-receptor inputs on cardiorespiratory outputs in the toad
    T Wang
    Biosciences, The University of Birmingham, Edgbaston, UK
    Respir Physiol Neurobiol 140:63-76. 2004
    ....
  7. ncbi request reprint Ventricular haemodynamics in Python molurus: separation of pulmonary and systemic pressures
    Tobias Wang
    Department of Zoophysiology, University of Aarhus, 8000 Aarhus C, Denmark
    J Exp Biol 206:4241-5. 2003
    ..This verifies that the pressure differences originate within the ventricle, indicating that the large muscular ridge separates the ventricle during cardiac contraction...
  8. ncbi request reprint Effects of temperature on the metabolic response to feeding in Python molurus
    Tobias Wang
    Center of Old Fashioned Physiology, Stationsgade 26, 8240, Risskov, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 133:519-27. 2002
    ....
  9. ncbi request reprint Intracardiac flow separation in an in situ perfused heart from Burmese python Python molurus
    Tobias Wang
    Department of Zoophysiology, University of Aarhus, 8000 Aarhus C, Denmark
    J Exp Biol 205:2715-23. 2002
    ..We speculate that the ventricular separation has evolved in response to the need of maintaining high oxygen delivery while protecting the pulmonary circulation from oedema as result of high vascular pressures...
  10. doi request reprint Gas exchange in frogs and turtles: how ectothermic vertebrates contributed to solving the controversy of pulmonary oxygen secretion
    T Wang
    Zoophysiology, Department of Biological Sciences, Aarhus University, Aarhus, Denmark
    Acta Physiol (Oxf) 202:593-600. 2011
    ..The results are discussed within the context of recent studies on the cardiorespiratory physiology of frogs and turtles...
  11. ncbi request reprint Autonomic control of heart rate during forced activity and digestion in the snake Boa constrictor
    T Wang
    Department of Zoology, UNESP Rio Claro, Brazil
    J Exp Biol 204:3553-60. 2001
    ....
  12. ncbi request reprint Contractile properties of the functionally divided python heart: two sides of the same matter
    Morten Zaar
    Department of Zoophysiology, Aarhus University, 8000 Aarhus C, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 146:163-73. 2007
    ..In spite of the different oxygen availability of the two sides of the heart, the biochemical and functional properties are alike and the differences may instead be overcome by the coronary blood supply...
  13. ncbi request reprint The adrenergic regulation of the cardiovascular system in the South American rattlesnake, Crotalus durissus
    Gina L J Galli
    Zoophysiology, Department of Biological Sciences, University of Aarhus, Building 1131, 8000 Aarhus C, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 148:510-20. 2007
    ..Our results suggest adrenergic regulation of the systemic vasculature, rather than the pulmonary, may be an important factor in the development of intracardiac shunts...
  14. ncbi request reprint Lung deflation stimulates fictive ventilation in decerebrated and unidirectionally ventilated toads
    T Wang
    School of Biological Sciences, University of Birmingham, Edgbaston, UK
    Respir Physiol 118:181-91. 1999
    ..Stimulation of CO2 sensitive chemoreceptors and pulmonary stretch receptors appear to have interactive effects on the central generation of ventilatory output in toads...
  15. ncbi request reprint Cost of ventilation and effect of digestive state on the ventilatory response of the tegu lizard
    Nini Skovgaard
    Department of Zoophysiology, Aarhus University, Building 131, 8000 Aarhus C, Denmark
    Respir Physiol Neurobiol 141:85-97. 2004
    ..Cost of ventilation was estimated to be 17% during hypoxia but less than 1% during hypercapnia. Our data indicate that ventilation can be greatly elevated at a small energetic cost...
  16. ncbi request reprint Why savannah monitor lizards hyperventilate during activity: a comparison of model predictions and experimental data
    Tobias Wang
    Department of Zoophysiology, Aarhus University, Aarhus, Denmark
    Respir Physiol Neurobiol 144:251-61. 2004
    ..We conclude from both our theoretical and experimental analyses that V. exanthematicus operates near the functional limits of its lung...
  17. ncbi request reprint Increased blood oxygen affinity during digestion in the snake Python molurus
    Johannes Overgaard
    Department of Zoophysiology, Aarhus University, Building 131, Denmark
    J Exp Biol 205:3327-34. 2002
    ..Thus, we predict that venous P(O(2)) (Pv(O(2))) is reduced from a fasting value of 5.2 kPa to 1.6 kPa during digestion...
  18. ncbi request reprint Cardiovascular responses to hypoxia and anaemia in the toad Bufo marinus
    Johnnie B Andersen
    Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, Denmark
    J Exp Biol 206:857-65. 2003
    ..This suggests that reductions in [O(2)] mediate cardiovascular adjustments, while ventilatory responses are caused by reduced Pa(O(2))...
  19. ncbi request reprint Extracellular determinants of cardiac contractility in the cold anoxic turtle
    Johannes Overgaard
    Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, Aarhus, Denmark
    Physiol Biochem Zool 78:976-95. 2005
    ..We propose that hyperkalemia may account for a large part of the depressed cardiac contractility during long-term anoxic submergence...
  20. doi request reprint How the python heart separates pulmonary and systemic blood pressures and blood flows
    Bjarke Jensen
    Zoophysiology, Department of Biological Sciences, Aarhus University, Building 1131, Universitetsparken 8000, Aarhus, Denmark
    J Exp Biol 213:1611-7. 2010
    ..It is concluded that the python ventricle is incapable of the pronounced and variable shunts of other snakes, because of its architecture and valvular mechanics...
  21. ncbi request reprint Tribute to P. L. Lutz: cardiac performance and cardiovascular regulation during anoxia/hypoxia in freshwater turtles
    Johannes Overgaard
    National Environmental Research Institute, Aarhus University, Silkeborg, Denmark
    J Exp Biol 210:1687-99. 2007
    ..However, increased levels of adrenaline and calcium may, at least partially, salvage cardiac function under prolonged periods of anoxia...
  22. ncbi request reprint The cardiovascular responses of the freshwater turtle Trachemys scripta to warming and cooling
    Gina Galli
    Department of Zoophysiology, Aarhus University, 8000 Aarhus C, Denmark
    J Exp Biol 207:1471-8. 2004
    ..Nevertheless, heating rates were the same in untreated and atropinised animals, and cooling rates were significantly longer in atropinised animals, indicating that shunt patterns contribute little to heat exchange...
  23. ncbi request reprint The role of the sarcoplasmic reticulum in the generation of high heart rates and blood pressures in reptiles
    Gina L J Galli
    Department of Zoophysiology, Aarhus University, Building 131, 8000 Aarhus C, Denmark
    J Exp Biol 209:1956-63. 2006
    ..Our results indicate that reptiles recruit Ca2+ from the SR for force development in a frequency and tissue dependent manner. This is discussed in the context of the development of high reptilian heart rates and blood pressures...
  24. ncbi request reprint Role of nitric oxide in the systemic and pulmonary circulation of anesthetized turtles (Trachemys scripta)
    D A Crossley
    Center for Respiratory Adaptation, University of Aarhus, DK 8000 Arhus C, Denmark
    J Exp Zool 286:683-9. 2000
    ....
  25. ncbi request reprint Arterial acid-base status during digestion and following vascular infusion of NaHCO(3) and HCl in the South American rattlesnake, Crotalus durissus
    Sine K Arvedsen
    Department of Zoophysiology, The University of Aarhus, Denmark Departamento de Zoología, Instituto de Biociencias, UNESP, Rio Claro, SP, Brazil
    Comp Biochem Physiol A Mol Integr Physiol 142:495-502. 2005
    ..One explanation for the different ventilatory responses could be that digestion induces a more relaxed state with low responsiveness to ventilatory stimuli...
  26. doi request reprint Metabolic consequences of feeding and fasting on nutritionally different diets in the wolf spider Pardosa prativaga
    Kim Jensen
    Department of Zoology, University of Oxford, Oxford, UK
    J Insect Physiol 56:1095-100. 2010
    ..Instead, lipids are stored efficiently and help to prepare the spiders for the long periods of food deprivation that may occur as a consequence of their opportunistic feeding strategy...
  27. doi request reprint Physiological importance of the coronary arterial blood supply to the rattlesnake heart
    Mette K Hagensen
    Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, Denmark
    J Exp Biol 211:3588-93. 2008
    ..Thus, while the outer compact layer of the rattlesnake heart clearly has an extensive coronary supply, rattlesnakes sustain a high blood pressure and heart rate during activity without coronary artery blood supply...
  28. doi request reprint Autonomic regulation of the heart during digestion and aerobic swimming in the European sea bass (Dicentrarchus labrax)
    Nina K Iversen
    Zoophysiology, Department of Biological Sciences, University of Aarhus, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 156:463-8. 2010
    ....
  29. ncbi request reprint Cardiovascular changes under normoxic and hypoxic conditions in the air-breathing teleost Synbranchus marmoratus: importance of the venous system
    Marianne Skals
    Zoophysiology, Department of Biological Sciences, University of Aarhus, 8000 Aarhus, Denmark
    J Exp Biol 209:4167-73. 2006
    ..Thus, it is evident that stimulation of both alpha- and beta-adrenoreceptors affects venous tone in S. marmoratus...
  30. ncbi request reprint Low cost of ventilation in the vagotomised alligator (Alligator mississippiensis)
    Nini Skovgaard
    Zoophysiology, Department of Biological Sciences, University of Aarhus, Denmark
    Respir Physiol Neurobiol 159:28-33. 2007
    ..These prolonged inspiratory times leads to less flow resistance and may explain that tidal volume could be increased substantially without a measurable energetic cost...
  31. ncbi request reprint Evidence that neurotensin mediates postprandial intestinal hyperemia in the python, Python regius
    Nini Skovgaard
    Zoophysiology, Department of Biological Sciences, Aarhus University, 8000 Aarhus C, Denmark
    Am J Physiol Regul Integr Comp Physiol 293:R1393-9. 2007
    ..The data provide evidence that NT is an important hormonal mediator of postprandial intestinal hyperemia in the python, but its involvement in mediating the cardiac responses to digestion may be relatively minor...
  32. doi request reprint The heart of the South American rattlesnake, Crotalus durissus
    Bjarke Jensen
    Department of Biological Sciences, Zoophysiology, Aarhus University, Aarhus, Denmark
    J Morphol 271:1066-77. 2010
    ..Previous studies show high degrees of blood flow separation in the Crotalus heart, and this can only be explained by the coordinated actions of the septa and the prominent atrioventricular valves...
  33. doi request reprint Hypoxia-induced vasoconstriction in alligator (Alligator mississippiensis) intrapulmonary arteries: a role for endothelin-1?
    Nini Skovgaard
    Zoophysiology, Department of Biological Sciences, University of Aarhus, Building 1131, 8000 Aarhus C, Denmark
    J Exp Biol 211:1565-70. 2008
    ..In conclusion, because precontraction with serotonin did not facilitate HPV, the required precontraction in alligators seems specific to ET-1, which implies that ET-1 plays an important permissive role for the HPV response in alligators...
  34. doi request reprint Anatomy of the python heart
    Bjarke Jensen
    Zoophysiology, Department of Biological Sciences, Aarhus University, Building 1131, 130, Universitetsparken, 8000 Arhus C, Denmark
    Anat Sci Int 85:194-203. 2010
    ....
  35. doi request reprint Metabolic changes during estivation in the common earthworm Aporrectodea caliginosa
    Mark Bayley
    Zoophysiology, Department of Biological Sciences, University of Aarhus, Building 1131, DK 8000 Aarhus C, Denmark
    Physiol Biochem Zool 83:541-50. 2010
    ..We propose that alanine functions as a nitrogen depot during dehydration and is not an anaerobe product in this case...
  36. doi request reprint Hypoxia tolerance and partitioning of bimodal respiration in the striped catfish (Pangasianodon hypophthalmus)
    Sjannie Lefevre
    Biological Sciences, Zoophysiology Section, Aarhus University, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 158:207-14. 2011
    ..The possibility of reducing air-breathing frequency may be energetically beneficial for the fish, leaving more of the aerobic scope for growth and other activities, due to the proposed energetic costs of surfacing behavior...
  37. doi request reprint Reflex bradycardia does not influence oxygen consumption during hypoxia in the European eel (Anguilla anguilla)
    Nina K Iversen
    Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, C F Møllers Alle, Building 1131, 8000 Aarhus C, Denmark
    J Comp Physiol B 180:495-502. 2010
    ..3 versus 12.5 +/- 1.5 kPa in control versus atropinised eels, respectively. These results indicate, therefore, that reflex bradycardia does not contribute to maintenance of MO(2) and regulation of SMR by the European eel in hypoxia...
  38. doi request reprint Autonomic control of the heart in the Asian swamp eel (Monopterus albus)
    Nina K Iversen
    Zoophysiology, Department of Biological Sciences, Aarhus University, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 158:485-9. 2011
    ....
  39. doi request reprint Histamine induces postprandial tachycardia through a direct effect on cardiac H2-receptors in pythons
    Nini Skovgaard
    Dept of Biological Sciences, Univ of Aarhus, Denmark
    Am J Physiol Regul Integr Comp Physiol 296:R774-85. 2009
    ..Our study strongly indicates that histamine regulates heart rate during the initial phase of digestion in pythons. This study describes a novel regulation of the vertebrate heart...
  40. ncbi request reprint Acidosis counteracts the negative inotropic effect of K+ on ventricular muscle strips from the toad Bufo marinus
    Johnnie Bremholm Andersen
    Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, Universitetsparken, Building 131, DK 8000 Aarhus C, Denmark
    Physiol Biochem Zool 77:223-31. 2004
    ..Thus, although [K+]o significantly decreased twitch force, this detrimental effect was more than counteracted by the positive inotropic effect of lactic acid and adrenaline...
  41. ncbi request reprint Effects of temperature and anoxia upon the performance of in situ perfused trout hearts
    Johannes Overgaard
    Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, Denmark
    J Exp Biol 207:655-65. 2004
    ..Nonetheless, there was no indication of myocardial necrosis, as biochemical and energetic parameters were generally unaffected by anoxia...
  42. ncbi request reprint Hemodynamic effects of python neuropeptide gamma in the anesthetized python, Python regius
    Nini Skovgaard
    Department of Zoophysiology, Aarhus University, Building 131, 8000 Aarhus C, Denmark
    Regul Pept 128:15-26. 2005
    ..Thus, nitric oxide is involved in regulation of basal vascular tone in the python, but neither nitric oxide nor prostaglandins mediate the vasodilatory action of NPgamma...
  43. ncbi request reprint Cardiorespiratory effects of forced activity and digestion in toads
    Johnnie Bremholm Andersen
    Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, Denmark
    Physiol Biochem Zool 76:459-70. 2003
    ..32 units). In conclusion, while recovery from the acidosis following exercise did not seem to be affected by digestion, the alkaline tide did slightly dampen the reduction in pH(a) during activity...
  44. ncbi request reprint Effects of inhibition gastric acid secretion on arterial acid-base status during digestion in the toad Bufo marinus
    Johnnie B Andersen
    Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, Universitetsparken Building 131, 8000 Aarhus C, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 135:425-33. 2003
    ..It seems, therefore, that the elevated PCO2, occuring during the postprandial period, constitutes of a regulated response to maintain pH rather than a state-dependent change in ventilatory control...
  45. ncbi request reprint The effects of fasting duration on the metabolic response to feeding in Python molurus: an evaluation of the energetic costs associated with gastrointestinal growth and upregulation
    Johannes Overgaard
    Department of Zoophysiology, Institute of Biology, Building 131, Aarhus University, Denmark
    Physiol Biochem Zool 75:360-8. 2002
    ..Hence, the extraordinarily large cost of digestion in P. molurus does not appear to correlate with increased function and growth of gastrointestinal organs but must be associated with other physiological processes...
  46. ncbi request reprint Hypoxic pulmonary vasoconstriction in reptiles: a comparative study of four species with different lung structures and pulmonary blood pressures
    Nini Skovgaard
    Department of Zoophysiology, University of Aarhus, Bldg 131, DK 8000 Aarhus C, Denmark
    Am J Physiol Regul Integr Comp Physiol 289:R1280-8. 2005
    ..8.2 and 13.9 kPa, respectively). Although these observations suggest that HPV is more pronounced in species with complex lungs and functionally divided hearts, it is also clear that other components are involved...
  47. ncbi request reprint The role of nitric oxide in regulation of the cardiovascular system in reptiles
    Nini Skovgaard
    Departamento de Zoologia, Centro de Aguicultura, UNESP, Caixa Postal 199, 13506 907 Rio Claro, Brazil
    Comp Biochem Physiol A Mol Integr Physiol 142:205-14. 2005
    ..Both species have a functionally separated heart, so it is possible that NO may exert a larger role in species with low pulmonary blood pressures, irrespective of lung complexity...
  48. ncbi request reprint Endothelin-1 causes systemic vasodilatation in anaesthetised turtles (Trachemys scripta) through activation of ETB-receptors
    Nini Skovgaard
    Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, Denmark
    J Exp Biol 208:3739-46. 2005
    ..This present study indicates, therefore, that ET(B)-receptors are responsible for the majority of the cardiovascular responses to ET-1 in Trachemys...
  49. ncbi request reprint Venous tone and cardiac function in the South American rattlesnake Crotalus durissus: mean circulatory filling pressure during adrenergic stimulation in anaesthetised and fully recovered animals
    Marianne Skals
    Department of Zoophysiology, Institute of Biological Science, Aarhus University, Denmark
    J Exp Biol 208:3747-59. 2005
    ..Injection of the nitric oxide donor SNP caused a significant decrease in P(CV) and MCFP. Thus, nitric oxide seems to affect venous tone...
  50. ncbi request reprint The relationship between heart rate and rate of oxygen consumption in Galapagos marine iguanas (Amblyrhynchus cristatus) at two different temperatures
    Patrick J Butler
    School of Biosciences, The University of Birmingham, Birmingham, B15 2TT, UK
    J Exp Biol 205:1917-24. 2002
    ..This creates the situation whereby the same fH at the two temperatures can represent different values of sVO2...
  51. ncbi request reprint Adrenergic control of the cardiovascular system in the turtle Trachemys scripta
    Johannes Overgaard
    Department of Zoophysiology, Aarhus University, Building 131, Denmark
    J Exp Biol 205:3335-45. 2002
    ....
  52. ncbi request reprint Effects of anaesthesia on blood gases, acid-base status and ions in the toad Bufo marinus
    Johnnie Bremholm Andersen
    Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, Building 131, Universitetsparken, DK 8000 Aarhus C, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 131:639-46. 2002
    ..There were no changes following anaesthesia in mean cellular haemoglobin concentration, [K+], [Cl-], [Na+], [lactate] or osmolarity. Toads fully recovered from anaesthesia after 24 h...
  53. ncbi request reprint Local control of pulmonary blood flow and lung structure in reptiles: implications for ventilation perfusion matching
    Nini Skovgaard
    Zoophysiology, University of Aarhus, Building 131, 8000 Aarhus C, Denmark
    Respir Physiol Neurobiol 154:107-17. 2006
    ....
  54. ncbi request reprint Preconditioning stimuli do not benefit the myocardium of hypoxia-tolerant rainbow trout (Oncorhynchus mykiss)
    Johannes Overgaard
    Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, Building 131, 8000 Aarhus C, Denmark
    J Comp Physiol B 174:329-40. 2004
    ..Thus, despite using strong and different preconditioning stimuli compared with earlier studies, the cardio-protective effect of preconditioning seems to be absent in rainbow trout hearts that are inherently more hypoxia-tolerant...
  55. doi request reprint Effects of preoperative administration of butorphanol or meloxicam on physiologic responses to surgery in ball pythons
    Mette G Olesen
    Department of Biological Sciences, University of Aarhus, Denmark
    J Am Vet Med Assoc 233:1883-8. 2008
    ..To characterize physiologic responses of ball pythons (Python regius) following a minor surgical procedure and investigate the effects of 2 commonly used analgesics on this response...
  56. ncbi request reprint Oxygen-sensitive regulatory volume increase and Na transport in red blood cells from the cane toad, Bufo marinus
    Karina Kristensen
    Department of Zoophysiology, Aarhus University, Denmark
    J Exp Biol 210:2290-9. 2007
    ....
  57. ncbi request reprint Hysteresis of heart rate and heat exchange of fasting and postprandial savannah monitor lizards (Varanus exanthematicus)
    Morten Zaar
    Department of Zoophysiology, Institute of Biology, Aarhus University, Building 131, Universitetsparken, 8000 Aarhus C, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 137:675-82. 2004
    ..Therefore, it is likely that the increased blood flows during digestion are distributed exclusively to visceral organs and that the thermal conductance remains unaffected by the elevated metabolic rate during digestion...
  58. doi request reprint Intravascular infusion of PEGylated Au nanoparticles affects cardiovascular function in healthy mice
    N K Iversen
    Zoophysiology, Department of Bioscience, Aarhus University, Aarhus C 8000, Denmark
    Hum Exp Toxicol 32:216-21. 2013
    ..The NPs caused a prolonged lowering of MAP 7 days after injection (119.3 ± 3.3 vs. 97.4 ± 7.5 min(-1)), with no effect on the endothelial function as revealed by normal endothelial function of small vessels mounted in a myograph...
  59. doi request reprint Silver nanoparticles and silver nitrate cause respiratory stress in Eurasian perch (Perca fluviatilis)
    Katrine Bilberg
    Faculty of Science, Interdisciplinary Nanoscience Centre iNANO, Aarhus University, Ny Munkegade 120, Aarhus C, Denmark
    Aquat Toxicol 96:159-65. 2010
    ..Possibly, nanosilver affects the gills externally, reducing the diffusion conductance which then leads to internal hypoxia during low water oxygen tensions (P(O2))...
  60. doi request reprint Jugular venous pooling during lowering of the head affects blood pressure of the anesthetized giraffe
    E Brøndum
    Department of Cardiothoracic and Vascular Surgery, Institute of Physiology and Biophysics, Aarhus University, Aarhus, Denmark
    Am J Physiol Regul Integr Comp Physiol 297:R1058-65. 2009
    ....
  61. ncbi request reprint The respiratory consequences of feeding in amphibians and reptiles
    T Wang
    School of Biosciences, The University of Birmingham, Edgbaston, UK
    Comp Biochem Physiol A Mol Integr Physiol 128:535-49. 2001
    ..The studies on cardiorespiratory responses to digestion may allow for a further understanding of the physiological and structural constraints that limits the ability of reptiles and amphibians to sustain high metabolic rates...
  62. ncbi request reprint Hemodynamic consequences of cardiac malformations in two juvenile ball pythons (Python regius)
    Bjarke Jensen
    Department of Biological Sciences, Zoophysiology, Aarhus University, Aarhus C, Denmark
    J Zoo Wildl Med 40:752-6. 2009
    ..Consistent with the small muscular ridge, systolic pressures were identical in the pulmonary and systemic arteries, but, the snakes, nevertheless, lived to reach body weights severalfold of their hatchling weight...
  63. doi request reprint Minimal volume regulation after shrinkage of red blood cells from five species of reptiles
    Karina Kristensen
    Department of Biological Sciences, University of Aarhus, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 150:46-51. 2008
    ..An RVI response has then reappeared in birds, but based on activation of the NKCC. Alternatively, the absence of the RVI response may represent the most ancient condition, and could have evolved several times within vertebrates...
  64. ncbi request reprint Cardiovascular actions of rattlesnake bradykinin ([Val1,Thr6]bradykinin) in the anesthetized South American rattlesnake Crotalus durissus terrificus
    Gina L J Galli
    Department of Zoophysiology, Aarhus University, Aarhus, Denmark
    Am J Physiol Regul Integr Comp Physiol 288:R456-65. 2005
    ..In contrast, the pulmonary circulation was relatively unresponsive to BK...
  65. ncbi request reprint Effects of temperature and hypercapnia on ventilation and breathing pattern in the lizard Uromastyx aegyptius microlepis
    Wilfried Klein
    Institut fur Zoologie, Universitat Bonn, Germany
    Comp Biochem Physiol A Mol Integr Physiol 132:847-59. 2002
    ..This breathing pattern was most pronounced during severe hypercapnia and particularly evident during the post-hypercapnic hyperpnea...
  66. ncbi request reprint Nitric oxide: comparative aspects of respiratory and cardiovascular homeostasis. An introductory note
    Bruno Tota
    Department of Cell Biology, University of Calabria, Arcavacata di Rende 87030 CS, Italy
    Comp Biochem Physiol A Mol Integr Physiol 142:99-101. 2005
  67. ncbi request reprint The role of nitric oxide in the regulation of the systemic and pulmonary vasculature of the rattlesnake, Crotalus durissus terrificus
    Gina L J Galli
    Departamento de Zoologia, Centro de Aquicultura, UNESP, Caixa Postal, 199, 13506 907 Rio Claro, Brazil
    J Comp Physiol B 175:201-8. 2005
    ..In contrast, the pulmonary vasculature seems far less responsive to NO...
  68. ncbi request reprint Effects of digestive status on the reptilian gut
    Anna Holmberg
    University of Goteborg, Department of Zoology Zoophysiology, Box 463, SE 405 30, Goteborg, Sweden
    Comp Biochem Physiol A Mol Integr Physiol 133:499-518. 2002
    ..We conclude that although there are considerable changes in gut thickness and absorptive properties after feeding, the smooth muscle and its control appear little affected...
  69. doi request reprint Seasonal changes in daily metabolic patterns of tegu lizards (Tupinambis merianae) placed in the cold (17 degrees C) and dark
    William K Milsom
    Department of Zoology, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
    Physiol Biochem Zool 81:165-75. 2008
    ..This suggests that the temperature-independent reduction of metabolism was already in place by autumn before the tegus had entered winter dormancy...
  70. ncbi request reprint Hypometabolism in reptiles: behavioural and physiological mechanisms that reduce aerobic demands
    James W Hicks
    Department of Ecology and Evolutionary Biology, University of California, Irvine, CA 92697, USA
    Respir Physiol Neurobiol 141:261-71. 2004
    ..Below we review these two different strategies and discuss their possible mechanisms and physiological significance...
  71. ncbi request reprint Ventilatory compensation of the alkaline tide during digestion in the snake Boa constrictor
    Denis V Andrade
    Departamento de Zoologia, Universidade Estadual Paulista, 13506 900, Rio Claro SP, Brazil
    J Exp Biol 207:1379-85. 2004
    ..Furthermore, the constant arterial PCO2, in the absence of an alkaline tide, of omeprazole-treated snakes strongly suggests that pH rather than PCO2 normally affects chemoreceptor activity and ventilatory drive...
  72. ncbi request reprint Cardiovascular and behavioural changes during water absorption in toads, Bufo alvarius and Bufo marinus
    Arne L Viborg
    Zoophysiological Laboratory, August Krogh Institute, University of Copenhagen, Denmark
    J Exp Biol 209:834-44. 2006
    ..In undisturbed toads, CAF increased with the same time course as BCF while heart rate remained relatively constant, suggesting redistribution of blood flow...
  73. ncbi request reprint Evidence for a respiratory component, similar to mammalian respiratory sinus arrhythmia, in the heart rate variability signal from the rattlesnake, Crotalus durissus terrificus
    Hamish A Campbell
    UNESP, Rio Claro, SP, Brazil
    J Exp Biol 209:2628-36. 2006
    ..Therefore, this study has demonstrated the presence of RSA in the HRV signal and a dual location for VPN in the rattlesnake. We suggest there to be a causal relationship between these two observations...