atresia
[uh-tree-zhuh, -zhee-uh]
- the congenital absence, or the pathological closure, of an opening, passage, or cavity.
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Origin of atresia
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
atresia
- absence of or unnatural narrowing of a body channel
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Word Origin
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
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.)).
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Online Etymology Dictionary, © 2010 Douglas Harper
atretic
(ə-trĕt′ĭk)- Relating to atresia.
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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.
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The American Heritage® Stedman's Medical Dictionary
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