title: Metabolic role of urea cycle intermediates: nutritional and clinical aspects. Introduction.
mesh_terms: D000641:Ammonia / Q000097:blood; D000818:Animals; D001120:Arginine / Q000096:biosynthesis*; D001835:Body Weight / Q000187:drug effects; D002956:Citrulline / Q000096:biosynthesis; D007421:Intestine, Small / Q000378:metabolism; D007668:Kidney / Q000378:metabolism; D008099:Liver / Q000378:metabolism; D009747:Nutritional Physiological Phenomena; D009952:Ornithine / Q000096:biosynthesis; D011392:Proline / Q000096:biosynthesis; D051381:Rats; D014508:Urea / Q000096:biosynthesis*
chemical_list: D002956:Citrulline; D000641:Ammonia; D014508:Urea; D001120:Arginine; D011392:Proline; D009952:Ornithine