atresia [uh -tree -zhuh , -zhee-uh ]
Word Origin
the congenital absence, or the pathological closure, of an opening, passage, or cavity. Show More
Origin of atresia 1800–10; <
New Latin <
Greek a- a-6 +
três(is ) perforation +
-ia -ia Related forms a·tre·sic [uh -tree -zik, -sik] /əˈtri zɪk, -sɪk/ a·tret·ic [uh -tret -ik] /əˈtrɛt ɪk/ adjective Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for atretic absence of or unnatural narrowing of a body channel Show More
Word Origin for atresia C19: New Latin, from Greek atrētos not perforated
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for atretic n. "occlusion of a natural passage in the body," 1807, from Modern Latin atresia , from Greek atretos "not perforated," from a- , privative prefix, + tresis "perforation," from PIE *tere- "to rub, turn," with derivatives referring to boring and drilling (see throw (v.)).
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Online Etymology Dictionary, © 2010 Douglas Harper
atresia [ə-trē′ zhə, -zhē-ə]
The congenital absence or closure of a normal body orifice or tubular passage such as the anus, intestine, or external ear canal. The degeneration and resorption of one or more ovarian follicles before maturation. Show More
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
