radial canals

A Dictionary of Zoology | 1999 | 567 words | Copyright

radial canals
1. In the medusae of Cnidaria, an arrangement of the gut cavity; the mouth leads to the stomach, hanging from the centre of the umbrella, from where canals (typically there are four) extend to the outer rim of the umbrella where they are linked by a ring canal around the periphery.

2. In Echinodermata, ciliated canals, forming part of the water-vascular system, that extend from the stone canal (or ring canal or water ring) into each arm, passing along the oral side of the ambulacral groove (see AMBULACRUM) and ending in a small, external tentacle.

Cite this article
Pick a style below, and copy the text for your bibliography.

MLA
Chicago
APA

MICHAEL ALLABY. "radial canals." A Dictionary of Zoology. 1999. Encyclopedia.com. 10 Feb. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "radial canals." A Dictionary of Zoology. 1999. Encyclopedia.com. (February 10, 2012). http://www.encyclopedia.com/doc/1O8-radialcanals.html

MICHAEL ALLABY. "radial canals." A Dictionary of Zoology. 1999. Retrieved February 10, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-radialcanals.html

Learn more about citation styles