Nitrogen metabolism in the animal gut.
D000818:Animals; D001419:Bacteria / Q000378:metabolism*; D001421:Bacteria, Anaerobic / Q000378:metabolism*; D004064:Digestive System / Q000378:metabolism* / Q000382:microbiology; D009055:Mouth / Q000378:metabolism*; D009566:Nitrates / Q000378:metabolism; D009584:Nitrogen / Q000378:metabolism*; D011506:Proteins / Q000378:metabolism; D014508:Urea / Q000378:metabolism
D009566:Nitrates; D011506:Proteins; D014508:Urea; D009584:Nitrogen