Medical Dictionary

alpha–1–antitrypsin

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noun al·pha–1–an·ti·tryp·sin \-ˌwən-ˌant-i-ˈtrip-sən, -ˌan-ˌtī-\

Medical Definition of alpha–1–antitrypsin

  1. :  a trypsin-inhibiting serum protein which inhibits the digestive action of elastase on the tissues of the lungs and whose deficiency is associated with the development of emphysema—abbreviation AAT


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