CLOACA

Cloaca

In zoological anatomy, a cloaca is the posterior opening that serves as the only opening for the intestinal, reproductive, and urinary tracts of certain animal species. All amphibians, birds, reptiles, and monotremes possess this orifice, from which they excrete both urine and feces, unlike most placental mammals, which possess two or three separate orifices for evacuation.

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cloaca

Noun

  1. A sewer.
  2. A privy.
  3. The common duct in fish, reptiles, birds and some primitive mammals that serves as the anus as well as the genital opening.


The above text is a snippet from Wiktionary: cloaca
and as such is available under the Creative Commons Attribution/Share-Alike License.

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