zona hemorrhoidalis

zona hemorrhoidalis definition - medical

zona hem·or·rhoi·da·lis (hĕmˌə-roi-dāˈlĭs)

noun
The part of the anal canal that contains the rectal venous plexus. Also called annulus hemorrhoidalis.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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