Dictionary

atresia

noun atre·sia \ə-ˈtrē-zhə\

Definition of ATRESIA

1
:  absence or closure of a natural passage of the body
2
:  absence or disappearance of an anatomical part (as an ovarian follicle) by degeneration

Origin of ATRESIA

New Latin, from 2a- + Greek trēsis perforation, from tetrainein to pierce — more at throw
First Known Use: circa 1807

Rhymes with ATRESIA

atresia

noun atre·sia \ə-ˈtrē-zhə\   (Medical Dictionary)

Medical Definition of ATRESIA

1
:  absence or closure of a natural passage of the body <atresia of the small intestine>
2
:  absence or disappearance of an anatomical part (as an ovarian follicle) by degeneration

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