Blood pressure
- Cardiac reflexes in a warming world: thermal plasticity of barostatic control and autonomic tones in a temperate fish
Summary: Perch from a chronically warmed ecosystem exhibit profound thermal compensation of resting heart rate through increased cholinergic tone and heightened baroreflex sensitivity; the latter may safeguard tissue perfusion pressure when tissue oxygen demand is elevated by environmental warming.
- Winter metabolic depression does not change arterial baroreflex control of heart rate in the tegu lizard Salvator merianae
Summary: Winter acclimation is compatible with lower resting heart rate but unchanged baroreflex sensitivity in the lizard Salvator merianae; independent of acclimation, heart rate responds more to hypotension than to hypertension.