Pedicellaria
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pedicellaria
[‚ped·ə·sə′ler·ē·ə] (invertebrate zoology)
In echinoids and starfishes, any of various small grasping organs in the form of a beak carried on a stalk.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
Pedicellaria
a skeletal formation resembling pincers borne by sea urchins and starfish. Pedicellariae are attached to flexible stalks or directly to the organism’s body. They protect against enemies and keep the body clear of foreign objects.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive
In all competent larvae, there was always a
pedicellaria associated with the dorsal arch spicule.
One pedicellaria was always located at the posterior end of the larval body between the posterolateral processes.
crenularis have a single dorsal pedicellaria (Fukushi, 1960).
During the breeding season, just after spawning, the eggs are moved to the brood pouches [ILLUSTRATION FOR FIGURE 2A OMITTED] by the spines and
pedicellaria. Fertilization probably occurs during the movement of the eggs from the gonopore to the pouches.
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