The cloaca Maxima was one of the largest and most celebrated of the ancient sewers.
A perforation leading into the cloaca at the hind end of this.
There is no ccum, and the short hindgut empties into the cephalic and ventral aspect of the cloaca.
Agrippa, who cleaned out the cloaca, navigated its whole length in a boat.
Only think of that cloaca being supplied daily with such dainty bibliographical treasures!
The cavity of the allantois, by means of its stalk passing through the umbilicus, is of course continuous with the cloaca.
Towards the end of the fourth day the Wolffian duct opens into a horn of the cloaca.
In both forms the ducts unite behind with the cloaca, and a pronephros of the Teleostean type appears to be developed.
In the female the process is continued till the Mllerian duct opens, close to the Wolffian duct, into the cloaca.
Now make a careful examination of the cloaca and its apertures, and dissect away the peritoneum hiding the kidney.
1650s, euphemism for "underground sewer," from Latin cloaca "public sewer, drain," from cluere "to cleanse," from PIE root *kleue- "to wash, clean" (cf. Greek klyzein "to dash over, wash off, rinse out," klysma "liquid used in a washing;" Lithuanian šluoju "to sweep;" Old English hlutor, Gothic hlutrs, Old High German hlutar, German lauter "pure, clear"). Use in biology, in reference to eliminatory systems of lower animals, is from 1834. Related: Cloacal (1650s); cloacinal (1857).
cloaca clo·a·ca (klō-ā'kə)
In early embryos, the entodermally lined chamber into which the hindgut and allantois empty.
The common cavity into which the intestinal, genital, and urinary tracts open in vertebrates such as fish, reptiles, birds, and some mammals.
An opening in a diseased bone containing a fragment of dead bone.
Plural cloacae (klō-ā'sē')