# Bayliss effect

> English word · Noun

## Definitions
1. A special manifestation of the myogenic tone in the vasculature, whereby in the event that blood pressure is increased in the arterioles and the vessels distend, they react with a sudden vasoconstriction caused by the activation of certain ion channels in the vascular smooth muscle cells.

## Etymology
Discovered by English physiologist William Bayliss (1860–1924).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/bayliss-effect