- an amino acid, C9H11NO4, formed from tyrosine in the liver during melanin and epinephrine biosynthesis: the L-dopa isomer is converted in the brain to dopamine.
Origin of dopa
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- See L-dopa
- Dihydroxyphenylalanine; an amino acid formed in the liver from tyrosine and converted to dopamine in the brain.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.