prepyloric vein

[ prē′pī-lôrĭk, -pĭ- ]

n.

A tributary of the right gastric vein that passes anteriorly to the pylorus at its junction with the duodenum.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.