kynurenine

noun

kyn·uren·ine | \ ˌkīn-yu̇-ˈren-ˌēn

, -ˈyu̇-rən-\

Medical Definition of kynurenine

: an amino acid C₁₀H₁₂N₄O₃ occurring in the urine of various animals as one of the normal products of tryptophan metabolism