Effects of temperature and physical activity on blood flow shunts and intracardiac mixing in the toad Bufo marinus

Physiological and Biochemical Zoology

Volumn 72, Issue 5, 1999, Pages 509-519

  Hedrick, Michael S ^a   Palioca, Wayne B ^b   Hillman, Stanley S ^b  

^a CALIFORNIA STATE UNIVERSITY   (United States)

^b PORTLAND STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

OXYGEN;

ANIMAL; ARTICLE; BODY TEMPERATURE; HEART; HEART OUTPUT; HEART RATE; HEMODYNAMICS; LOCOMOTION; LUNG CIRCULATION; METABOLISM; PHYSIOLOGY; TOAD;

ANIMALS; BODY TEMPERATURE; BUFO MARINUS; CARDIAC OUTPUT; HEART; HEART RATE; HEMODYNAMIC PROCESSES; LOCOMOTION; OXYGEN; PULMONARY CIRCULATION;

EID: 0033197691     PISSN: 15222152     EISSN: None     Source Type: Journal    
DOI: 10.1086/316693     Document Type: Article

References (56)

1. Becker B., W. Rathscheck, H. Rathscheck, H.K. Muller, and W. Schroeder. 1979. Sauerstoffdruck, sauerstoff verbranch und durchblutung in der extremitaten muskalatur des wachen frosches. Pflügers Arch 321:15-33.
2. Boutilier R.G., M.G. Emilio, and G. Shelton. 1986. The effects of mechanical work on electrolyte and water distribution in amphibian skeletal muscle. J Exp Biol 120:333-350.
3. Carey C. 1979. Aerobic energy expenditure during rest and activity in montane Bufo b, boreas and Rana pipiens. Oecologia 39:213-228.
4. Courtice G.P. 1990. Effect of temperature on cardiac vagal action in the toad Bufo marinus. J Exp Biol 149:439-447.
5. de Graaf A.R. 1957. Investigations into the distribution of blood in the heart and aortic arches of Xenopus laevis. J Exp Biol 34:143-172.
6. DeLong K.T. 1962. Quantitative analysis of blood circulation through the frog heart. Science 138:693-694.
7. de Saint-Aubain M.L. and K.G. Wingstrand. 1979. A sphincter in the pulmonary artery of the frog Rana temporaria and its influence on blood flow in the skin and lungs. Acta Zool 60: 163-172.
8. Evans D.H., ed. 1989. Doppler Ultrasound: Physics, Instrumentation and Clinical Applications. Wiley, New York.
9. Foxon G.E.H. 1951. A radiographic study of the passage of blood through the heart in the frog and the toad. Proc Zool Soc 121:529-538.
10. _. 1955. Problems of the double circulation in vertebrates. Biol Rev 30:196-208.
11. _. 1964. Blood and respiration. Pp. 151-209 in J.A. Moore, ed. Physiology of the Amphibia. Academic Press, New York.
12. Guyton A.C. 1981. Textbook of Medical Physiology. Saunders, Philadelphia.
13. Haberich F.J. 1965. Uber die funktionalle Trennung des venosen und arterialisierten Blutes im Frschherzen. Plfügers Arch 282: 76-91.
14. Hedrick M.S. 1985. Aspects of Cardiovascular Oxygen Transport in Vertebrates. MS thesis. Portland State University, Portland, Oreg.
15. Herman C.A. 1977. Comparative effects of epinephrine and norepinephrine on plasma glucose and hematocrit levels in the American bullfrog (Rana catesbeiana). Gen Comp Endocrinol 32:321-329.
16. Hicks J.W. 1994. Adrenergic and cholinergic regulation of intracardiac shunting. Physiol Zool 67:1325-1346.
17. _. 1998. Cardiac shunting in reptiles: mechanisms, regulation, and physiological functions. Pp. 425-483 in C. Gans and A.S. Gaunt, eds. Biology of the Reptilia. Vol. 19. Society for the Study of Amphibians and Reptiles, Ithaca, N.Y.
18. Hicks J.W., A. Ishimatsu, S. Molloi, A. Erskin, and N. Heisler. 1996. The mechanism of cardiac shunting in reptiles: a new synthesis. J Exp Biol 199:1435-1446.
19. Hicks J.W. and T. Wang. 1996. Functional role of cardiac shunts in reptiles. J Exp Zool 275:204-216.
20. _. 1998. Cardiovascular regulation during anoxia in the turtle: an in vivo study. Physiol Zool 71:1-14.
21. Hillman S.S. 1991. Cardiac scope in amphibians: transition to terrestrial life. Can J Zool 69:2010-2013.
22. Hillman S.S., P.C. Withers, W.B. Palioca, and J.A. Reuben. 1987. Cardiovascular consequences of hypercalcemia during activity in two species of amphibians. J Exp Zool 208:303-308.
23. Johansen J. and D. Hanson. 1968. Functional anatomy of the hearts of lungfishes and amphibians. Am Zool 8:191-200.
24. Johansen K. 1963. Cardiovascular dynamics in the amphibian, Amphiuma tridactylum. Acta Physiol Scand Suppl 61:1-82.
25. Johansen K. and S.S.F. Ditadi. 1966. Double circulation in the giant toad, Bufo paracnemis. Physiol Zool 39:140-150.
26. Johnson C.R. 1972. Thermal relations and daily variation in the thermal tolerance in Bufo marinus. J Herpetol 6:35-38.
27. Jones D.R. and G. Shelton. 1972. Factors affecting diastolic blood pressures in the systemic and pulmocutaneous arches of anuran amphibia. J Exp Biol 57:789-803.
28. Malvin G.M., S. Macias, M. Sanchez, R. Dasalla, A. Park, and M. Duran. 1995. Lymphatic regulation of hematocrit during hypoxia in the toad Bufo woodhousei. Am J Physiol 269: R814-R821.
29. Malvin G.M. and S.C. Wood. 1991. Behavioral thermoregulation of the toad, Bufo marinus: effects of air humidity. J Exp Zool 258:322-326.
30. Mbangkollo D. and R. de Roos. 1983. Comparative effects of epinephrine, norepinephrine and gentle handling stress on plasma lactate, glucose and hematocrit levels in the American bullfrog (Rana catesbeiana). Gen Comp Endocrinol 49: 167-175.
31. Noble G.K. 1925. The integumentary, pulmonary and cardiac modifications correlated with increased cutaneous respiration in the Amphibia: a solution to the "hairy" frog problem. J Morphol 40:341-416.
32. Ozorio de Almeida M. 1923. Sur la separation des ondes arterielle et veineuse dans l'appareil circulation de la Grenouille. C R Soc Biol 89:1019-1021.
33. Pinder A.W. and A.W. Smits. 1993. Mechanisms of acute hemo-concentration in bullfrogs in response to hypoxemia. Am J Physiol 264:R687-R695.
34. Pörtner H.-O., L.M. MacLatchy, and D.P. Toews. 1991. Acid-base regulation in the toad Bufo marinus during environmental hypoxia. Respir Physiol 85:217-230.
35. Schwarzkopf L. and R.A. Alford. 1996. Desiccation and shelter-site use in a tropical amphibian: comparing toads with physical models. Funct Ecol 10:193-200.
36. Seymour R.S. 1973. Physiological correlates of forced activity and burrowing in the spadefoot toad, Scaphiopus hammondi. Copeia 1973:103-115.
37. Shelton G. 1970. The effect of lung ventilation on blood flow to the lungs and body of the amphibian, Xenopus laevis. Respir Physiol 9:183-196.
38. _. 1976. Gas exchange, pulmonary blood supply, and the partially divided amphibian heart. Pp. 247-259 in P.S. Davies, ed. Perspectives in Experimental Biology. I. Zoology. Pergamon, Oxford.
39. Shelton G. and D.R. Jones. 1965. Pressure and volume relationships in the ventricle, conus, and arterial arches of the frog heart. J Exp Biol 43:479-488.
40. Simons J.R. 1957. The blood pressure and the pressure pulses in the arterial arches of the frog (Rana temporaria) and the toad (Bufo bufo). J Physiol 137:12-21.
41. -. 1959. The distribution of the blood from the heart in some amphibia. Proc Zool Soc Lond 132:51-64.
42. Strussman C., M.B. Ribiero Do Valle, M.H. Meneghini, and W.E. Magnusson. 1984. Diet and foraging mode of Bufo marinus and Leptodactylus ocellatus. J Herpetol 18:138-146.
43. Tazawa H., M. Mochizuki, and J. Piiper. 1979. Respiratory gas transport by the incompletely separated double circulation in the bullfrog, Rana catesbeiana. Respir Physiol 36:77-95.
44. Tucker V.A. 1967. A method for oxygen content and dissociation curves on microliter blood samples. J Appl Physiol 23:410-414.
45. Tufts B.L., D.C. Mense, and D.J. Randall. 1987. The effects of forced activity on circulating catecholamines and pH and water content of erythrocytes in the toad. J Exp Biol 128:411-418.
46. Walton M. 1988. Relationships among metabolic, locomotory, and field measures of organismal performance in the Fowler's toad (Bufo woodhousei fowleri). Physiol Zool 61:107-118.
47. Walton M. and B.D. Anderson. 1988. The aerobic cost of saltatory locomotion in the Fowler's toad (Bufo woodhousei fowleri). J Exp Biol 136:273-288.
48. Wang T. and J.W. Hicks. 1996. The interaction of pulmonary ventilation and the right-left shunt on arterial oxygen levels. J Exp Biol 199:2121-2129.
49. Wang T., E.H. Krosniunas, and J.W. Hicks. 1997. The role of cardiac shunts in the regulation of arterial blood gases. Am Zool 37:12-22.
50. Weathers W.W. 1976. Influence of temperature acclimation on oxygen consumption, haemodynamics and oxygen transport in bullfrogs. Aust J Zool 24:321-330.
51. West N.H. and W.W. Burggren. 1984. Factors influencing pulmonary and cutaneous arterial blood flow in the toad, Bufo marinus. Am J Physiol 247:R884-R894.
52. West N.H. and A.W. Smits. 1994. Cardiac output in conscious toads (Bufo marinus). J Exp Biol 186:315-323.
53. Withers P.C. and S.S. Hillman. 1988. A steady-state model of maximal oxygen consumption and carbon dioxide transport in anuran amphibians. J Appl Physiol 64:860-868.
54. Withers P.C., S.S. Hillman, and P.B. Kimmel. 1988a. Effects of activity, hemorrhage, and dehydration on plasma catecholamine levels in the marine toad Bufo marinus. Gen Comp Endocrinol 72:63-71.
55. Withers P.C., S.S. Hillman, L.A. Simmons, and A.C. Zygmunt. 1988b. Cardiovascular adjustments to activity in the anuran amphibian Bufo marinus. Comp Biochem Physiol 89A: 45-49.
56. Zar J.H. 1974. Biostatistical Analysis. Prentice-Hall, Englewood Cliffs, N.J.