Area Postrema
MESHD031608
A small, rounded eminence on each side of the FOURTH VENTRICLE, which receives nerve fibers from the SOLITARY NUCLEUS; SPINAL CORD; and adjacent areas of the MEDULLA OBLONGATA. The area postrema lies outside the BLOOD-BRAIN BARRIER and its functions include acting as an emetic chemoreceptor.
Synonyms
- Area Postremas
- Postrema, Area
- Chemoreceptor Trigger Zone
- Chemoreceptor Trigger Zones
- Trigger Zone, Chemoreceptor
- Trigger Zones, Chemoreceptor
- Zone, Chemoreceptor Trigger
- Zones, Chemoreceptor Trigger
Source last updated 2026-05-24T15:25:20.490Z