chemoceptor -->
medical dictionary

A receptor adapted for excitation by chemical substances, for example, olfactory and gustatory receptors or a sense organ, as the carotid body or the aortic (supracardial) bodies, which is sensitive to chemical changes in the blood stream, especially reduced oxygen content and reflexly increases both respiration and blood pressure.

See: receptor.

This entry appears with permission from the Dictionary of Cell and Molecular Biology

(11 Mar 2008)