title: Scanning electron microscopy of the human cerebral ventricular system. II. The fourth ventricle.
mesh_terms: D000042:Absorption; D002552:Cerebral Ventricles / Q000166:cytology / Q000196:embryology*; D002555:Cerebrospinal Fluid; D002831:Choroid Plexus / Q000166:cytology; D002923:Cilia; D004805:Ependyma / Q000166:cytology / Q000378:metabolism; D006801:Humans; D008297:Male; D008855:Microscopy, Electron, Scanning