(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
a waste pipe that carries away sewage or surface water
双语例句
1. In the cloaca there are many annular an obvious one divides anus channel and uigenita 1 sinus.
泄殖腔内有明显的环褶将肛道与尿、生殖道分开.
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2. The mucous cells lie in the anterior part of the foregut and cloaca.
粘液细胞分布于前肠的前段和排泄腔.
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3. Especially do not call gasman box lunch , or call to repair you cloaca.
