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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 Implications
    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?
    From a Latin word that means sewer, cloacas are a common excretory chamber for the intestinal, urinary, and genital tracts It is common in amphibians, birds, elasmobranch fishes like sharks and
  • 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
  • cloaca - Wiktionary, the free dictionary
    After working an hour, I began to speculate on the distance one had to go before the cloaca was reached the chances we had of missing it altogether (anatomy, zoology) The opening in reptiles, amphibians and birds, as well as elasmobranchians, lobe-finned fishes, marsupials and monotreme mammals, which serves as the common outlet for the urogenital ducts and rectum
  • Cloaca | definition of cloaca by Medical dictionary
    1 a common passage for fecal, urinary, and reproductive discharge in most lower vertebrates 2 in mammalian embryos, the terminal end of the hindgut before division into rectum, bladder, and the primordia of the reproductive organs 3 an opening in the covering or sheath of a necrosed bone adj , adj cloa´cal
  • Cloaca - Wikiwand
    A cloaca, pl : cloacae, or vent, is the rear orifice that serves as the only opening for the digestive (rectum), reproductive, and urinary tracts of many verteb English Sign in





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