Medical Definition of AAT

alpha-1-antitrypsin AAT is a highly effective inhibitor of neutrophil elastase; an imbalance between levels of AAT and this elastase increases the risk of emphysema.— Edwin K. Silverman and Robert A. Sandhaus, The New England Journal of Medicine, 25 June 2009

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Dictionary Entries near AAT

AAMA

AAMC

AAMT

AAT

AAV

ab

AB

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Cite this Entry

“AAT.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/AAT. Accessed 1 Oct. 2020.

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