Blood pressure homeostasis in Rana Catesbeiana under normal and hypovolemic conditions

J. S.K. Sham, V. C.K. Wong, K. W. Chiu, P. K.T. Pang

Research output: Contribution to journalArticle

Abstract

1. The effects of phentolamine, KBIV24 and captopril on the mean arterial blood pressure of normal and treated (dehydration, hemorrhage) frogs were determined. 2. Hemorrhage but not dehydration led to a decrease in MAP. 3. Only phentolamine attentuated MAP in both normal and treated frogs. KBIV24 and captopril were ineffective. 4. It was concluded that the blood pressure of frogs is regulated by catecholamine. Neither arginine vasotocin nor the renin-angiotensin system play any role in blood pressure homeostasis in normal and hypovolemic conditions.

Original languageEnglish (US)
Pages (from-to)301-304
Number of pages4
JournalComparative Biochemistry and Physiology. Part C, Comparative
Volume79
Issue number2
DOIs
StatePublished - 1984
Externally publishedYes

ASJC Scopus subject areas

  • Immunology
  • Pharmacology

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