Lexic.us

Definition of Cloaca

1. Noun. (zoology) the cavity (in birds, reptiles, amphibians, most fish, and monotremes but not mammals) at the end of the digestive tract into which the intestinal, genital, and urinary tracts open.

2. Noun. A waste pipe that carries away sewage or surface water.

Definition of Cloaca

1. n. A sewer; as, the Cloaca Maxima of Rome.

Definition of Cloaca

1. Noun. A sewer. ¹

2. Noun. (anatomy) The common duct in fish, reptiles, birds and some primitive mammals that serves as the anus as well as the genital opening. ¹

¹ Source: wiktionary.com

Definition of Cloaca

1. a sewer [n -ACAE or -ACAS] : CLOACAL [adj]

Medical Definition of Cloaca

1. 1. A common passage for faecal, urinary and reproductive discharge in most lower vertebrates. 2. The terminal end of the hindgut before division into rectum, bladder and genital primordia. 3. An opening in the involucrum of a necrosed bone. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Cloaca

clittered clitters clitties clival cliver clivers clivia clivias clivis clivities

clivity clivus clivus ocularis clm cloacae cloacal cloacal membrane cloacal theory cloacas cloacin

cloacitis cloak cloak-and-dagger cloaked cloakedly cloaking

Literary usage of Cloaca

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Journal of Philology by William George Clark, John Eyton Bickersteth Mayor, William Aldis Wright, Ingram Bywater, Henry Jackson (1868)
"DR THEODOR MOMMSEN, in his History of Home, states that the cloaca Maxima must be ... "The stone employed in the cloaca is in itself a mark of the great ..."

2. Ancient Rome in the Light of Recent Discoveries by Rodolfo Amedeo Lanciani (1891)
"But the exactness of an archaeologist compels me to say that the cloaca Maxima, in spite of its name, can no longer boast of the priority which it has ..."

3. A Course of Instruction in Zootomy (vertebrata.) by Thomas Jeffery Parker (1906)
"The cloaca of a young female. A, opened from the ventral aspect ; B, in longitudinal section (nat. size). bf, bursa Fabricii: bf, its opening into posterior ..."

4. Roman Antiquities: Or, An Account of the Manners and Customs of the Romans by Alexander Adam (1830)
"242. which persons were ap^ pointed always to remove, and also to keep the cloaca clean, Plin. ep. \. 41. This was the more easily effected by the declivity ..."

5. The Frog: An Introduction to Anatomy, Histology, and Embryology by A Milnes Marshall (1906)
"The vas deferens or ureter runs along the outer side of the posterior part of the kidney, and then backwards to the cloaca. iv. The vesicula seminalis is a ..."

6. A Laboratory manual and text-book of embryology by Charles William Prentiss (1922)
"Ventro-cephalad, the cloaca gives off the allantoic stalk. At a somewhat later stage, the cloaca receives laterally the mesonephric ducts and is prolonged ..."

7. Treatise on the Diseases of Women: For the Use of Students and Practitioners by Alexander Johnston Chalmers Skene (1897)
"Thc cloaca i allantois grows in a downward direction, dividing the cloaca into two parts ; that which is situated anteriorly has extended inward and become ..."

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