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.

Words nearby atresia

atrahasis, atraumatic suture, atrazine, atrek, atremble, atresia, atretic, atreus, atria, atrial, atrial artery

Origin of atresia

1800–10; < New Latin < Greek a- a-⁶ + três(is) perforation + -ia -ia

OTHER WORDS FROM atresia

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. 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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.