[ per-uh-thee-lee-uh m ]
/ ˌpɛr əˈθi li əm /
noun, plural per·i·the·li·a [per-uh-thee-lee-uh] /ˌpɛr əˈθi li ə/. Anatomy.
the connective tissue surrounding certain small vessels, as capillaries.
Origin of perithelium
Related formsper·i·the·li·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for perithelium
[ pĕr′ə-thē′lē-əm ]
n. pl. per•i•the•li•a (-lē-ə)
The connective tissue surrounding small blood vessels and capillaries.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.