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. The area postrema lies outside the blood-brain barrier and its functions include acting as an emetic chemoreceptor. [ http://en.wikipedia.org/wiki/Area_postrema MESH:A08. ]

This is just here as a test because I lose it

Term information


uberon_slim, pheno_slim, vertebrate_core

AP [ BIRNLEX:2636 NIFSTD:NeuroNames_abbrevSource ]

depicted by


external definition

An area of medulla oblongata, outside the blood-brain barrier. The apical terminals of the neurons are, in a strategic location either to monitor the chemical constitution of the plasma or to release neurogenic substances into the general circulation. Ma 1997.[TAO]

function notes

vomiting center in humans

has related synonym

chemoreceptor trigger zone