perithelium

[ 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

1875–80; < New Latin, equivalent to Greek peri- peri- + thēl(ḗ) nipple + Latin -ium -ium

Related forms

per·i·the·li·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for perithelium

perithelium

[ pĕr′ə-thēlē-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.