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MICHAEL ALLABY. "radial canals." A Dictionary of Zoology. 1999. Encyclopedia.com. 9 Feb. 2010 <http://www.encyclopedia.com>.
MICHAEL ALLABY. "radial canals." A Dictionary of Zoology. 1999. Encyclopedia.com. (February 9, 2010). http://www.encyclopedia.com/doc/1O8-radialcanals.html
MICHAEL ALLABY. "radial canals." A Dictionary of Zoology. 1999. Retrieved February 09, 2010 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-radialcanals.html
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Analytical expresion of stresses at the block with two crossing cylindrical...
Magazine article from: Annals of DAAAM & Proceedings Fratila, Marcu Sofonea, Galaftion January 1, 2007 700+ words ...which has inside two cylindrical canals forming a "T" crossing. The...dimensional characteristics of the two canals and the block are shown in fig...walls, corresponding to the two canals (having D1 and D2 as diameters...sigma].sub.r] is radial stress in the tube having the... |
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THE EFFECT OF GROUNDWATER DECREASE ON SHORT AND LONG TERM VARIATIONS OF RADIAL...
Magazine article from: Ekológia Pilas, Ivan; Lukic, Nikola; Vrbek, Boris; Dubravac, Tomislav; Roth, Valentin January 1, 2007 700+ words ...groundwater recharges and seasonal radial growth were found with the aid...mutual relationship. Patterns of radial growth were analysed in order...spatial (in stand) behaviour of radial growth. In addition to seasonal...surface drainage caused by network canals next to forest roads. Data... |
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A NEW ORDOVICIAN CHIASTOCLONELLID SPONGE FROM INNER MONGOLIA, CHINA
Magazine article from: Journal of Paleontology Rigby, J Keith; Kessel, Benjamin J; Ritts, Bradley D; Friedman, Scott J July 1, 2006 700+ words ...arrangement; principal skeletal canals radial and paratangential" (Finks and...chiastoclones; major skeletal canals radial; sponge massive; attached to...of upward and outward parallel radial canals that separate the thin wall into... |
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The functional morphology of starfish tube feet: the role of a crossed-fiber...
Magazine article from: The Biological Bulletin McCurley, R. Skyler Kier, William M. April 1, 1995 700+ words ...the system are the circumoral ring canal, the radial canals extending from the ring canal down each arm...associated ampullae that are connected to the radial canal by the lateral canals. Studies of the tube feet and associated ampullae... |
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Study results from University of North Carolina provide new insights into...
Newspaper article from: Life Science Weekly December 9, 2008 700+ words ...aequorea) is divided by numerous radial canals and attached gonads, so the subumbrellar...of muscle: smooth muscle with a radial orientation, used for local (feeding...righting) and widespread (protective) radial responses, and striated muscle with... |
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Kobayashiceras gifuense, a new actinocerid cephalopod from the Lower Devonian...
Magazine article from: Journal of Paleontology Niko, Shuji January 1, 1998 700+ words ...endosiphuncular deposits well developed, forming central and radial canals, but latter disappear in adoral siphuncle. Etymology...forming dorsalward inflation reaching to connecting rings; radial canal recognized only in apical camerae, nearly straight... |
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Systematics and Biogeography of the Jellyfish Aurelia labiata (Cnidaria:...
Magazine article from: The Biological Bulletin GERSHWIN, LISA-ANN August 1, 2001 700+ words ...aurita possesses no corresponding enlarged structure. Furthermore, the number of radial canals is typically much greater in A. labiata, and thus the canals often appear more anastomosed than in A. aurita. Finally, most A. labiata medusae... |
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NEOTYPE AND REDESCRIPTION OF THE UPPER CAMBRIAN ANTHASPIDELLID SPONGE,...
Magazine article from: Journal of Paleontology Johns, Ronald A; Dattilo, Benjamin F; Spincer, Ben May 1, 2007 700+ words ...Anthaspidellidae. It has a regular skeleton consisting of dendroclones and trabs arranged in a ladderlike net, and radial canals are well organized. The species occurs within sponge-microbial and stromatolitic reefs in the Wilberns Formation... |
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CARBONIFEROUS ACTINOCERATOID NAUTILOIDEA (CEPHALOPODA)-A NEW PERSPECTIVE
Magazine article from: Journal of Paleontology Kröger, Björn; Mapes, Royal July 1, 2007 700+ words ...the curved septal necks (cyrtochoanitic), and display a special morphology consisting of a central and multiple radial canals. Actinoceroid cephalopods are generally long orthocones (including the largest known ectocochleate cephalopods... |
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Behold the Spineless Jellyfish: Enchanting but Lethal
Newspaper article from: The Washington Post Michael Farquhar July 10, 1996 700+ words ...and nutrients are distributed throughout the jellyfish along a primitive circulatory system of white lines called radial canals. The captive creatures at the Baltimore aquarium are fed newly hatched brine shrimp, fortified with fatty acids and... |
For more facts and information, see all related premium articles
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radial canals
Book article from: A Dictionary of Zoology radial canals 1. In the medusae of Cnidaria , an arrangement...the centre of the umbrella, from where canals (typically there are four) extend to...periphery. 2. In Echinodermata , ciliated canals, forming part of the water-vascular... |
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Echinodermata
Book article from: The Columbia Encyclopedia, Sixth Edition ...that surrounds the digestive tract and five radial canals that radiate from the ring canal like spokes...regulated by the animal. Short lateral canals equipped with valves lead from the radial canals into the tube feet. Generally a muscular... |
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jellyfish
Book article from: The Columbia Encyclopedia, Sixth Edition ...distributed to the body through radial canals. Jellyfish move up and down by...several (often four) unbranched radial canals and simple sense organs. In this...tentacles; they have branched radial canals and complex sense organs. In... |
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biological symmetry
Book article from: The Columbia Encyclopedia, Sixth Edition ...center of the opposite, or aboral, end. Radial symmetry is seen in sessile organisms such...stars, or starfish. Many jellyfish have four radial canals and are said to have tetramerous radial symmetry; sea stars, with five arms, have... |
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Amsterdam
Book article from: The Columbia Encyclopedia, Sixth Edition ...is cut by about 40 concentric and radial canals that are flanked by streets and crossed by 400 bridges. The canals give the city its nickname, "Venice...and picturesque houses along the canals, once patrician dwellings, are... |
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