Fourth Ventricles
《英文msh詞典》Fourth Ventricles
[入口詞] Fourth Ventricles
[主題詞] Fourth Ventricle
[英文釋義] An irregularly shaped cavity in the rhombencephalon,between the medulla oblongata,the pons,and the isthmus in front,and the cerebellum behind. It is continuous with the central canal of the cord below and with the CEREBRAL AQUEDUCT above,and through its lateral and median apertures it communicates with the subarachnoid space.