cysteine

cysteine definition - medical

cys·te·ine (sĭsˈtē-ēnˌ, -ĭn, sĭ-stēˈĭn)

noun Abbr. Cys
An alpha-amino acid found in most proteins and especially abundant in keratin.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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