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atresia

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noun atre·sia \ə-ˈtrē-zhə\

Definition of atresia

  1. 1 :  absence or closure of a natural passage of the body

  2. 2 :  absence or disappearance of an anatomical part (as an ovarian follicle) by degeneration



Origin and Etymology of atresia

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


First Known Use: circa 1807


Medical Dictionary

atresia

play
noun atre·sia \ə-ˈtrē-zhə\

Medical Definition of atresia

  1. 1:  absence or closure of a natural passage of the body <atresia of the small intestine>

  2. 2:  absence or disappearance of an anatomical part (as an ovarian follicle) by degeneration




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