area postrema References area postrema physiology Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: human nervous system/ Vasopressin and cardiovascular regulationThe area postrema, which lies on the floor of the fourth ventricle in the medulla oblongata, is also involved as a special chemical sensor of the plasma. Read MoreThe area postrema, which lies on the floor of the fourth ventricle in the medulla oblongata, is also involved as a special chemical sensor of the plasma. Read More