Dictionary.com
definitions
  • synonyms

zona hemorrhoidalis

(hĕm′ə-roi-dālĭs)
n.
  1. The part of the anal canal that contains the rectal venous plexus.annulus hemorrhoidalis
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.