hi'lus

[a variant of hilum.] i. The part of an organ where the nerves and ve els enter and leave. 2. depre ion or slit, resembling a, hilus, in the olivary nucleus of the brain, h. li'enis [BNA], a fi ure on the gastric surface of the spleen, giving pa age to the ve els and nerves of this gland, h. nu'clei dent a'ti, the mouth of the flask-like dentate nucleus of the cerebellum, directed upward and inward, and giving exit to many fibers which pa to the brachium conjunct i vum (superior cerebellar peduncle), h. nu'clei oliva'ris [BNA], h. of the olivary nucleus, the mesial extremity of the inferior olivary nucleus, h. pulmo'nis [BNA], a wedge-shaped depre ion on the mediastinal surface of each lung, where the bronchus, blood-ve els, nerves, and lymphatics enter or leave the viscus. h. ren a'lis [BNA], the opening on the concave border of the kidney through which pa the ve els and nerves and which contains the apex of the renal pelvis.