precentral cerebellar vein

n.
  1. An unpaired vein that originates in the precentral cerebellar fissure, passes before and above the culmen, and ends in the great cerebral vein.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.