THE area postrema in the cat is a region which protrudes from, the dorsal surface of the medulla into the fourth ventricle. It begins in the midline ventral to the obex and passes rostrally as a ...
Non-Communicating Hydrocephalus: Axial CT scans. Note the prominent enlargement of the lateral and third ventricles in the setting of a normal sized fourth ventricle. This pattern is one of ...