(zoology) the cavity (in birds, reptiles, amphibians, most fish, and monotremes but not mammals) at the end of the digestive tract into which the intestinal, genital, and urinary tracts open
(zooloxía) cavidade (en aves, réptiles, anfibios, a maioría dos peixes, monotremas, pero non mamíferos) final do tubo dixestivo en que os tractos intestinal, xenital e as vías urinarias se abren