Postrema,Area
《英文msh詞典》Postrema,Area
[入口詞] Postrema,Area
[主題詞] Area Postrema
[英文釋義] 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.