urocanic acid en · NOUN
Etymology
Latin urina (“urine”) and canis (“dog”), because first isolated in 1874 from dog urine.
Meanings
- (uncountable) An intermediate in the catabolism of L-histidine, transformed in the liver by urocanate hydratase (or urocanase) into 4-imidazolone-5-propionic acid and subsequently to glutamic acid.