✦ LIBER ✦

Mayer waves in the circulation of a teleost fish

✍ Scribed by Wood, Chris M.

Publisher: John Wiley and Sons
Year: 1974
Tongue: English
Weight: 370 KB
Volume: 189
Category: Article
ISSN: 0022-104X
DOI: 10.1002/jez.1401890216

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Regular oscillation in arterial blood pressures identical to mammalian Mayer waves were recorded in unanaestetized 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.

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