atresia
[ uh-tree-zhuh, -zhee-uh ]
/ əˈtri ʒə, -ʒi ə /
noun Medicine/Medical.
the congenital absence, or the pathological closure, of an opening, passage, or cavity.
Nearby words
Related formsa·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. 2019
British Dictionary definitions for atretic
atresia
/ (əˈtriːʒɪə, -ʒə) /
noun
absence of or unnatural narrowing of a body channel
Word Origin for atresia
C19: New Latin, from Greek atrētos not perforated
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for atretic
atresia
"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.)).
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for atretic (1 of 2)
atretic
[ ə-trĕt′ĭk ]
adj.
Relating to atresia.
Medicine definitions for atretic (2 of 2)
atresia
[ ə-trē′zhə, -zhē-ə ]
n.
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.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.