Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Elastase
Medically reviewed by Min Clinic Staff | Updated: January 2026
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.