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perithelium

[per-uh-thee-lee-uh m] /ˌpɛr əˈθi li əm/
noun, plural perithelia
[per-uh-thee-lee-uh] /ˌpɛr əˈθi li ə/ (Show IPA).
Anatomy
1.
the connective tissue surrounding certain small vessels, as capillaries.
Origin
1875-1880
1875-80; < Neo-Latin, equivalent to Greek peri- peri- + thēl() nipple + Latin -ium -ium
Related forms
perithelial, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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perithelia in Medicine

perithelium per·i·the·li·um (pěr'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.
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