title: N-acetyl-L-histidine metabolism in the fish eye: evidence for ocular fluid--lens L-histidine recycling.
mesh_terms: D000818:Animals; D001082:Aqueous Humor; D001693:Biological Transport, Active; D002247:Carbon Isotopes; D005399:Fishes; D006639:Histidine / Q000378:metabolism*; D007908:Lens, Crystalline / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D006639:Histidine