intima

[in-tuh-muh]
noun, plural in·ti·mae [in-tuh-mee] /ˈɪn təˌmi/. Anatomy.
  1. the innermost membrane or lining of some organ or part, especially that of an artery, vein, or lymphatic.

Origin of intima

1870–75; < New Latin, noun use of feminine of Latin intimus, intumus inmost, equivalent to in- in-2 + -timus superlative suffix; cf. optimal, ultimate
Related formsin·ti·mal, adjectivesub·in·ti·mal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for intimal

intima

noun plural -mae (-ˌmiː)
  1. anatomy zoology the innermost layer of an organ or part, esp of a blood vessel
Derived Formsintimal, adjective

Word Origin for intima

C19: from Latin, feminine of intimus innermost; see intimate 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

intimal in Medicine

intima

[ĭntə-mə]
n. pl. in•ti•mas
  1. The innermost coat of an organ.
Related formsinti•mal adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.