出典:Wikipedia
出典:『Wikipedia』 (2011/06/11 21:29 UTC 版)
A tentacle or bothrium (plural: bothria) is one of usually two or more elongated flexible organs present in animals, especially invertebrates. The term may also refer to the hairs of the leaves of some insectivorous plants. Usually, tentacles are used for feeding, feeling and grasping. Anatomically, they work like other muscular hydrostats.
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