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cloaca

cloaca


clo·a·ca  (kl-k)
n. pl. clo·a·cae (-s)
1. A sewer or latrine.
2. Zoology
a. The common cavity into which the intestinal, genital, and urinary tracts open in vertebrates such as fish, reptiles, birds, and some primitive mammals.
b. The posterior part of the intestinal tract in various invertebrates.

[Latin cloca, sewer, canal.]

clo·acal (-kl) adj.

cloaca [kləʊˈeɪkə]
n pl -cae [-kiː]
1. (Life Sciences & Allied Applications / Zoology) a cavity in the pelvic region of most vertebrates, except higher mammals, and certain invertebrates, into which the alimentary canal and the genital and urinary ducts open
2. a sewer
[from Latin: sewer; related to Greek kluzein to wash out]
cloacal  adj

cloaca  (kl-k)
Plural cloacae (kl-s)
1. The body cavity into which the intestinal, urinary, and genital canals empty in birds, reptiles, amphibians, most fish, and monotremes. The cloaca has an opening for expelling its contents from the body, and in females it serves as the depository for sperm. Also called vent.
2. See vent.
cloaca

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