atresia [ uh- tree-zh uh, -zhee- uh] Word Origin See more synonyms on Thesaurus.com the congenital absence, or the pathological closure, of an opening, passage, or cavity. Origin of atresia 1800–10;
Greek a- a- 6
) perforation +
-ia -ia Related forms a·tre·sic , [ uh- tree-zik, -sik] /əˈtri zɪk, -sɪk/ a·tret·ic , [ uh- tret-ik] /əˈtrɛt ɪk/ adjective
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 Word Origin
C19: New Latin, from Greek
atrētos not perforated
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
Word Origin and History for atretic atresia 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.)).
Online Etymology Dictionary, © 2010 Douglas Harper
atretic (ə-trĕt ′ĭk) 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.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.