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cloaca    
n. 阴沟

阴沟

cloaca
n 1: (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
2: a waste pipe that carries away sewage or surface water [synonym:
{sewer}, {sewerage}, {cloaca}]


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  • Cloaca - Wikipedia
    A cloaca ( k l oʊ ˈ eɪ k ə ⓘ kloh-AY-kə), pl : cloacae ( k l oʊ ˈ eɪ s i kloh-AY-see or k l oʊ ˈ eɪ k i kloh-AY-kee), or vent, is the rear orifice that serves as the only opening for the digestive , reproductive, and urinary tracts (if present) of many vertebrate animals
  • Cloaca: The Single Opening in Animals, Plus Human . . .
    The cloaca is a common chamber with only one opening where multiple body systems come together, including the genital, intestinal, and urinary tracts Simply put, there is no separate anus, reproductive organ, and urethra all with their own exterior access — everything empties into the cloaca
  • What is Cloaca? And Why Do Most Animals Have it Except Humans?
    The non-moving collection of urine in humans is a big deal if there is a cloaca "In kids with cloacas, the problem is mostly infection from the stool into their bladder "
  • Cloaca | Mammals, Birds, Reptiles | Britannica
    Cloaca, (Latin: “sewer”), in vertebrates, common chamber and outlet into which the intestinal, urinary, and genital tracts open It is present in amphibians, reptiles, birds, elasmobranch fishes (such as sharks), and monotremes A cloaca is not present in placental mammals or in most bony fishes
  • Cloacal Malformation (Persistent Cloaca): Symptoms, Diagnosis . . .
    Cloacal malformation, sometimes called persistent cloaca, is found in female children where the rectum, vagina and urethra are fused together, creating a single common channel In developing fetuses, these openings are joined in a sac known as the cloaca





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