urocanic acid

== English == === Etymology === Latin urina (“urine”) and canis (“dog”), because first isolated in 1874 from dog urine. === Noun === urocanic acid (uncountable) (organic chemistry) 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. ==== Related terms ==== urocanate