Medical Dictionary

chemoreceptor trigger zone

noun

medical 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-Tribune17 Mar. 2004

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