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* Externally Sourced Definition: [[externallySourcedDefinition::* 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. (MSH) * one of the ventricular organs, a highly vascular mound of tissue along the margin of the caudal part of the fourth ventricle; consists of many large capillaries, many glial, and some small nerve cells; receives fibers directly from the vagal and glossopharyngeal nerves; its efferent fibers go directly to the nucleus solitarius and the parabrachial nuclei and indirectly to other areas; it lies outside of the blood brain barrier and appears to function as a chemoreceptor trigger zone for emesis. (CSP)]]
* Definition Source: [[definitionSource::UMLS]]
* Abbreviation Source: [[abbrevSource::NeuroNames_abbrevSource]]
*This visualization was created by the Scalable Brain Atlas group and is based on the Rhesus Monkey - Paxinos et al. 2000
This page uses this default form:[[Page has default form::PONS_brain_region]]
Non structured information for this region can be found https://en.wikipedia.org/wiki/Area_postrema
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