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Dictionary

or•ni•thine

Pronunciation: (ôr'nu-thēn"), [key]
—n. Biochem.
an amino acid, H₂N(CH₂)₃CH(NH₂)COOH, obtained by the hydrolysis of arginine and occurring as an intermediate compound in the urea cycle of mammals.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

ornithic

ornithischian

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