Mayer waves in the circulation of a teleost fish

C. M. Wood

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

Regular oscillations in arterial blood pressures identical to mammalian Mayer waves were recorded in unanesthetized trout (Salmo gairdneri). The waves were associated with hemorrhage, were caused by fluctuations in systemic vascular resistance, and were sometimes accompanied by fluctuations in cardiac output of opposite phase. Alpha adrenergic blockade eliminated the phenomena; muscarinic cholinergic blockade was ineffective. The existence of Mayer waves provides evidence for a nervous control of vasomotor tone in teleosts.

Original languageEnglish
Pages (from-to)267-274
Number of pages8
JournalJournal of Experimental Zoology
Volume189
Issue number2
StatePublished - Dec 1 1974

ASJC Scopus subject areas

  • Animal Science and Zoology

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