CLOACA

klōāˈkə, 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. Cloacas are found in amphibians, reptiles, birds, and lower mammals; higher mammals have a separate rectal outlet, the anus. The term cloaca is also used for analogous chambers in many invertebrates, such as worms of the phylum Nematoda.

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The Columbia Encyclopedia, Sixth Edition Copyright© 2004, Columbia University Press. Licensed from Lernout & Hauspie Speech Products N.V. All rights reserved.

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Questia Books and Articles on: Cloaca
We found: 610 results
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books on: Cloaca  - 483 results

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1.
Pliny the Elder's Natural History: The Empire in the Encyclopedia
Book by Trevor Murphy; Oxford University Press, 2004
Subjects: Pliny--The Elder--Naturalis Historia, Rome--History--Empire, 30 B.C.-284 A.D
the building of Priscus Cloaca is a national ordeal that puts the sense...token of this rite of passage, the Cloaca assumes the power of an icon, which...rehearsal of the pressures that the Cloaca can with- stand is a charm: the spell...
2.
Field Book of Seashore Life
Book by Roy Waldo Miner; Putnam, 1950
Subjects: Marine Animals
...empty into the upper end of the muscular cloaca, which opens by the cloacal aperture...outside. From the upper angles of the cloaca rise the two respiratory trees. These...expansions and contractions of the muscular cloaca, it fills the branches to their delicate...
3.
Animal and Plant Anatomy - Vol. 9
Includes: Skeletal system - Trout
Book by Marshall Cavendish; Marshall Cavendish, 2006
Subjects: Anatomy, Botany--Anatomy
...hemipenises) attached to the inside wall of the cloaca, The penis is connected to the testes...excretory and reproductive opening called the cloaca. Fertilization takes place in the upper...enabling them to pass through the temales cloaca comfortably. Soft-shelled eggs swell...
4.
The Topography and Monuments of Ancient Rome
Book by Samuel Ball Platner; Allyn and Bacon, 1911
Subjects: Rome (Italy)--Antiquities
...information, except with regard to the Cloaca Maxima. Previous to the recent excavations, the supposed original Cloaca Maxima p. 107 had been traced along...that at least all that part of this cloaca which skirts the basilica dates from...
5.
Animal and Plant Anatomy - Vol. 2
Book by Barbara Abraham, Amy-Jane Beer, Erica Bower, Sally-Anne Mahoney, Chris Mattison, Kieran Pitts, John Stewart, Phil Whitfield; Marshall Cavendish, 2006
Subjects: Anatomy, Botany--Anatomy
...or rectun?.7?Iw rectum opens into the baglike cloaca, The cloaca hos two glands attached to it that produce an <>ilv...through two tubes <..ili<.d ureters into the cloaca. through which \\,IStLS ii-c released, A American...
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journal articles on: Cloaca  - 45 results

       More journal Results: 1-10 11-20 21-30 31-40 41-45 >>  
 
1.
Diversity in Mating Behavior of Hermaphroditic and Male-female Caenorhabditis Nematodes
Journal article by L. Rene Garcia, Brigitte Leboeuf, Pamela Koo; Genetics, Vol. 175, 2007
Subjects: Behavior, Caenorhabditis elegans Proteins, DNA-Binding Proteins, E coli, Evolution, Genetics, Genomics, Nematodes, Transcription Factors, fog-2 protein, C elegans
...vesicle, through the vas deferens, out the cloaca and into the hermaphrodite. This stereotyped...display the soporific effect when the cloaca of C. elegans males touches the vulva...Neurons associated with the C.remanei male cloaca are required to induce the soporific behavior...
2.
Hydraulic Engineering and the Study of Antiquity: Rome, 1557-70
Journal article by Pamela O. Long; Renaissance Quarterly, Vol. 61, 2008
Subjects: Bacci, Andrea--Works, Floods--History, Floods--Italy, Hydraulic engineering--History, Physicians--Works, Rome (Ancient state)--History, Tiber River--Environmental aspects, Tiber River--History
...It had also been contaminated by the Cloaca Maxima, the great drain and sewer, the...that such a great stream flowed from the cloaca that it seemed a navigable river. Yet...discusses the Tiber. The reference to the Cloaca Maxima is in Strabo, 2:404-05 Geography...
3.
Chelonian Notes
Journal article by Margaret Honda; Art Journal, Vol. 60, 2001
Subjects: Pets, Reptiles & amphibians
...from an oi)ening in the tail called the cloaca. Sometimes males will distend their organ...legs, and drop his organ through the cloaca. It is a sight to behold. and one that...will retract the organ back through the cloaca. It may repeat this process once or twice...
4.
Endosulfan Exposure Disrupts Pheromonal Systems in the Red-Spotted Newt: A Mechanism for Subtle Effects of Environmental Chemicals
Journal article by Daesik Park, Steven C. Hempleman, Catherine R. Propper; Environmental Health Perspectives, Vol. 109, 2001
...spermatophore in the females cloaca was used to determine mating...ovaries and oviducts. Ten cloacae, randomly selected for the...OH) with 20% ethanol. Cloacae were embedded in paraffin...CA). On one-half of each cloaca for each fifth section, we...
5.
Turner Syndrome and 45,x/47,xxx Mosaicism
Journal article by E. Akbas, H. Mutluhan, K. Savasoglu, F. Soylemez, I. Ozturk, G. Yazici; Genetic Counseling, Vol. 20, 2009
...determination of various congenital anomalies, mostly in the genitourinary tract (ambiguous genitalia, ovarian dysgenesis, extrophia cloaca, renal atrophy/ agenesis) (6, 9). Half of the cases with Turner syndrome have a mosaic chromosomal structure with in...
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magazine articles on: Cloaca  - 29 results

       More magazine Results: 1-10 11-20 21-29 >>  
 
1.
If It's Tuesday
Magazine article by Robert Fleck; Artforum International, Vol. 33, May 1995
Subjects: Art museum curators--Practice, Obrist, Hans-Ulrich--Interviews
...intellectual play, exhibitions such as "Cloaca Maxima," in Zurich (concerning scatology...research groups. RF: Your 1994 exhibit "Cloaca Maxima" received enormous attention in...a museum that wasnt a museum. HUO: "Cloaca Maxima" was a thematic exhibition in...
2.
Backyard Battle of the Sexes
Magazine article by Nicholas B. Davies; Natural History, Vol. 104, April 1995
Subjects: Animal behavior, Animal reproduction, Birds
...not understand it." This extraordinary cloaca pecking continues for about a minute before...that during the pecking, the females cloaca made pumping movements, and she sometimes...will be a pool of sperm in the females cloaca and vagina for much of the mating period...
3.
Eater's Digest
Magazine article by Jean-Pierre Criqui; Artforum International, Vol. 40, September 2001
Subjects: Art, Modern--Exhibitions, Delvoye, Wim--Works, Installations (Art)--Exhibitions
...mosaics made in the early 90s)--and Cloaca, 2000, takes its rightful place as art...Pretty much the way you and I do. While Cloaca resembles an assembly line more than a...stops in Antwerp, Vienna, and Zurich, Cloaca, still the property of its inventor...
4.
Left - HANDED BEARS & ANDROGYNOUS CASSOWARIES
Magazine article by Bruce Bagemihl; Whole Earth, Spring 2000
Subjects: Bears--Behavior, Hermaphroditism--Environmental aspects, Homosexuality--Environmental aspects
...mating, he ejaculates semen through his cloaca, an orifice at the base of the phallus that...urinate all through the same orifice, the cloaca (as in all other female birds)--but the cloaca is exceptionally large in this species...
5.
Inbreeding in the Marshes
Magazine article; Natural History, Vol. 102, July 1993
Subjects: Animal reproduction, Birds, Ornithology
...complete" copulation act. (Copulation in birds is achieved by the male pressing his genital opening, the cloaca, against the females cloaca and releasing sperm. In female-female cases, the two birds make cloacal contact.) All such "matings...
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newspaper articles on: Cloaca  - 42 results

       More newspaper Results: 1-10 11-20 21-30 31-40 41-42 >>  
 
1.
Milkshake Matt and the Dark World of Drugs
Newspaper article; The Daily Mail (London, England), October 1, 2004
...which starts there on December 17 after the play Cloaca ends its run. As with Cloaca, Kevin Spacey and his associates have found a first-rate cast (the company in Cloaca are a powerful ensemble but I care not for the...
2.
One Hot Crowd, Four Old Friends: Randy, Gay, Selfish and Nutty
Newspaper article; The Daily Mail (London, England), September 29, 2004
...Selfish and Nutty. Byline: QUENTIN LETTS CLOACA By Maria Goos: Old Vic, London WHEN...who tend to interest the dramatists. Cloaca is a modern Dutch play. The playwright...goats? - and Lukis playing the nutter, Cloaca is a safe enough bet. But the first half...
3.
Pride and the Pitfalls of Being a One-Man Show
Newspaper article; The Evening Standard (London, England), February 10, 2005
Subjects: Spacey, Kevin
...Spaceys first offering at the Old Vic, Cloaca, had also been a bitter disappointment...according to the Old Vics spokesperson. Cloaca, the "dud Dutch drama", did not do...were occupied. Spacey did not act in Cloaca and the message from this, of course...
4.
A Funny Feminist!
Newspaper article; The Daily Mail (London, England), October 1, 2004
...Funny Feminist! Byline: QUENTIN LETTS Cloaca (Old Vic, London) Verdict: Male angst...who tend to interest the dramatists. Cloaca is a modern Dutch play. The playwright...goats? - and Lukis playing the nutter, Cloaca is a safe enough bet. But the first half...
5.
Spacey's Superlative Actors Caught in a Dramatic Blockage
Newspaper article; The Evening Standard (London, England), September 29, 2004
...DIRECTING DEBUT AT OLD VIC FIRST NIGHT Cloaca Old Vic KEVIN SPACEY launches his regime...amounts to a bleak whimper of discontent. Cloaca is the Latin word for a waste-pipe that...into a queer problem drama 30 years ago. Cloaca is too packed with hectic extravagances...
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encyclopedia articles on: Cloaca  - 11 results

       More encyclopedia Results: 1-10 11-11 >>  
 
1.
Cloaca
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
CLOACA kloa k , in biology, enlarged posterior...the digestive tract of some animals. The cloaca, from the Latin word for sewer, is a single...separate rectal outlet, the anus. The term cloaca is also used for analogous chambers in many...
2.
Echinodermata
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...cucumber terminates in a chamber called the cloaca that opens into the anus. Two unique...sea cucumbers, also terminate in the cloaca. These are systems of highly branched...the respiratory trees by contracting the cloaca, and oxygen diffuses through from the...
3.
Monotreme
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...those of reptiles, with large yolks and leathery shells. Like birds and reptiles, monotremes have a single opening, the cloaca , for the passage of liquid and solid wastes, the transfer of sperm, and, in the female, the laying of eggs. In addition...
4.
Forum
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...which drained the area and was canalized underground (probably in the 6th cent. b.c.) to become the great sewer, the Cloaca Maxima (a portion of which still exists). At the south end of the Forum was the house of the vestal virgins and nearby the...
5.
Rotifera
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...and oviduct, and in the male of testis and sperm duct. The intestine, bladder, and reproductive ducts unite to form a cloaca. Rotifers, of which there are about 1,500 known species, are widely distributed in freshwater and marine habitats; they...
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