SINCE 1828
chemoreceptor trigger zone
nounMedical Definition of chemoreceptor trigger zone
: an area in or near the area postrema of the brain with receptors that stimulate the reticular formation to induce vomiting
… another part of the brain called the chemoreceptor trigger zone is constantly sampling the blood supply for nasty toxins as well. — The San Diego Union-Tribune, 17 Mar. 2004
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