Difference between revisions of "ring canal"

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Revision as of 12:07, 10 September 2013

ring canal: 1. (Cnidaria: Hydrozoa) A circular canal around the margin of the umbrella into which the radial canal join as part of the gastrovascular system.

2. (Echinodermata) A circular part of the water-vascular system encircling the esophagus.