Embryonic Structure
cloaca chamber
clo·a·ca cham·ber
Subclass of:
Embryonic Structures; Animal Structures
Definitions related to cloaca chamber:
  • (cloaca) A dilated cavity extended caudally from the hindgut. In adult birds, reptiles, amphibians, and many fishes but few mammals, cloaca is a common chamber into which the digestive, urinary and reproductive tracts discharge their contents. In most mammals, cloaca gives rise to LARGE INTESTINE; URINARY BLADDER; and GENITALIA.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • (cloaca) The singular posterior opening of the intestinal and urinary tracts of birds, reptiles, amphibians, marsupials and monotremes.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • 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....
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2020
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