title: Nitrogen excretion in Lymnaea stagnalis: an effect of ingested carbohydrate.
mesh_terms: D000641:Ammonia / Q000378:metabolism; D004040:Dietary Carbohydrates; D008195:Lymnaea / Q000378:metabolism*; D009584:Nitrogen / Q000378:metabolism*; D013213:Starch / Q000494:pharmacology; D014508:Urea / Q000378:metabolism
chemical_list: D004040:Dietary Carbohydrates; D000641:Ammonia; D014508:Urea; D013213:Starch; D009584:Nitrogen