A yellow elastic fibrous mucoprotein that is the major connective tissue protein of elastic structures ( e.g., large blood vessel s, tendons, ligaments, etc.); elastins precursor is proelastin. SYN: elasticin.
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elas·tin i-'las-tən n a protein that is similar to collagen and is the chief constituent of elastic fibers
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n.
protein forming the major constituent of elastic tissue fibres.
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elas·tin (e-lasґtin) a scleroprotein that is the essential constituent of elastic connective tissue. It is arranged in fibers (see elastic fibers, under fiber) and discontinuous sheets in the extracellular matrix, particularly of the skin, lungs, and blood vessels.Medical dictionary. 2011.