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Definition of Elastase

Elastase: An enzyme that digests and degrades a number of proteins including elastin, an elastic substance in the lungs and some other organs that supports their structural framework. Elastase is specifically inhibited by alpha-1 antitrypsin. See also: Alpha-1 antitrypsin deficiency.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 10/9/2012

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