area postrema

(redirected from Vomit center)

ar·e·a po·stre·'ma (AP),

a small, elevated area in the lateral wall of the inferior recess of the fourth ventricle; one of the few loci in the brain where the blood-brain barrier is lacking; a chemoreceptor area associated with vomiting.
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References in periodicals archive ?
The act of vomiting is actually a reflex that is triggered by the stimulation of a vomit center in the medulla of a cat's brain.
Visitors get to dodge projectiles in the vomit center, enter a giant nose that sneezes, slide out of a giant colon, and guess how much they excrete while sitting in the Hall of Toilets.