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Cloaca. Cloaca of a red-tailed hawk. A cloaca ( / kloʊˈeɪkə / kloh-AY-kə ), pl.: cloacae ( / kloʊˈeɪsi / kloh-AY-see or / kloʊˈeɪki / kloh-AY-kee ), is the rear orifice that serves as the only opening for the digestive, reproductive, and urinary tracts (if present) of many vertebrate animals.
Jul 4, 2017 · Cloaca Definition. A cloaca is an orifice through which urine and feces are eliminated in birds, reptiles, amphibians, and a few branches of the mammal family tree. It also serves a reproductive function like the vagina in females of these species, and also performs the function of sperm ejaculation in males of some species.
Jul 2, 2024 · 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.
Jan 14, 2021 · 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...
Examples of cloaca in a Sentence. Recent Examples on the Web The milk didn’t come through a nipple, the researchers found, but from within the amphibian’s cloaca in a case of convergent evolution. Riley Black, Smithsonian Magazine, 13 May 2024 After a gestational period, the female lays those eggs from that selfsame cloaca.
Adults don't have a cloaca — they simply wouldn't work, in large part because we have a bladder. But fetuses start off with one in the womb. During a normal pregnancy it separates, forming the urethra, anus, and reproductive organ.
Sep 27, 2022 · The cloaca of birds is vital for almost all body functions in birds that require an opening. Even birds with genitalia have penises or clitorises as a part of the cloaca or made from the cloacal walls.
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May 29, 2018 · cloaca (klōā´kə), in biology, enlarged posterior end of the digestive tract of some animals. The cloaca, from the Latin word for sewer, is a single chamber into which pass solid and liquid waste materials as well as the products of the reproductive organs, the gametes.
The cloaca is a common rear opening in land vertebrates. Through this opening, the animals expel urine and faeces, and carry out reproduction. The cloaca is a primitive or 'basal' feature of tetrapods. All amphibia, all sauropsids (reptiles and birds) and even monotreme mammals have a cloaca.
A cloaca, pl.: cloacae, is the rear orifice that serves as the only opening for the digestive, reproductive, and urinary tracts of many vertebrate animals.
