A small epithelioid structure consisting of a small cluster of chemoreceptive and supporting cells located near the bifurcation of the common carotid artery that serves as a chemoreceptive organ that senses the pH, carbon dioxide, and oxygen concentrations in the blood and plays a crucial role in their homeostatic control. [ MP:0003438 ]

Synonyms: glomus caroticum carotid glomus

This is just here as a test because I lose it