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Cloaca


cloaca
common organ into which the intestine, kidneys, and sex organs discharge their products
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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cloaca
(kloh-ay-kuh)
A common opening for the digestive, urinary, and reproductive tracts in all vertebrates except most mammals.
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cloaca
A common opening for the digestive, urinary, and reproductive tracts in all vertebrates except most mammals.
Covered in:
Lab 14 Gametogenesis and Development
Lab 17 Rat and Frog Comparative Anatomy ...
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cloaca Posterior chamber of digestive tract in many vertebrates, receiving feces and urogenital products. In certain invertebrates, a terminal portion of digestive tract that serves also as respiratory, excretory, or reproductive tract.
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(The cloaca is a chamber through which the feces and the gametes, as well as urine, pass on the way to the outside. The name comes from the Latin word for sewer.) ...
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Male and female birds and reptiles both have cloacae, an opening through which eggs, sperm, and wastes pass. Intercourse is performed by pressing the lips of the cloacae together, during which time the male transfers his sperm to the female.
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[L. vas - a canal carrying fluid; L. deferens - carrying away] A connecting duct in males between the epididymis of the testis and the urethra or cloaca; formed from the mesonephric duct. Synonym: ductus deferens.
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toxic by-product of protein metabolism and is generally converted to less toxic substances after it is produced then excreted; mammals convert ammonia to urea while birds and reptiles form uric acid to be excreted with other wastes via their cloacas.
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They retain many characters of their therapsid ancestors, such as laying eggs, limbs oriented with humerus and femur held lateral to body (more lizard-like), a cloaca, skulls with an almost birdlike appearance, and a lack of teeth in adults.
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We have embarked on a detailed study of the structure and mechanism of PETN reductase from a strain of Enterobacter cloacae.
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