al·​pha-1-an·​ti·​tryp·​sin -ˌwən-ˌant-i-ˈtrip-sən, -ˌan-ˌtī- How to pronounce alpha-1-antitrypsin (audio)
: 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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Cite this Entry

“Alpha-1-antitrypsin.” Medical Dictionary, Merriam-Webster, Accessed 1 Dec. 2023.

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