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 (such as an ovarian follicle) by degeneration

Recent Examples of atresia from the Web

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Origin and Etymology of atresia

New Latin, from 2a- + Greek trēsis perforation, from tetrainein to pierce — more at 1throw


Medical Dictionary

atresia

noun atre·sia \ ə-ˈtrē-zhə \

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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