Overview

tentacle


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1 In many invertebrate animals, a long, slender, flexible structure, often bearing sense receptors, used to obtain information about the immediate environment and often to obtain food.

2 In corals and sea anemones, a movable, tubular extension of the body cavity; tentacles are arranged in a ring around the mouth.

3 In Cephalopoda, a movable modification of the soft body; tentacles surround the mouth and are sometimes studded with sucker discs.

Subjects: Zoology and Animal Sciences.


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