SINCE 1828
alpha-1-antitrypsin
noun
al·pha-1-an·ti·tryp·sin
| \-ˌwən-ˌant-i-ˈtrip-sən, -ˌan-ˌtī-
\
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Medical Definition of alpha-1-antitrypsin
: 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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