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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Pedicellaria ： ウィキペディア英語版 Pedicellaria A pedicellaria (plural. pedicellariae) is a small wrench- or claw-shaped structure commonly found on Echinoderms, particularly in sea stars (class Asteroidea) and sea urchins (class Echinoidea). Pedicellariae are poorly understood but in some taxa, they are thought to keep the body surface clear of algae, encrusting organisms, and other debris in conjunction with the ciliated epidermis present in all echinoderms. == In sea stars == Pedicellariae in some taxa, such as the deep-sea Brisingida, and the Antarctic ''Labidiaster'' are known to function in food capture. ''Forcipulate'' sea star are so called because each pedicellaria is typically composed of three forceps-like valves. Other asteroids can have pedicellariae composed of only two components. In some asteroid sea stars pedicellariae are present around the base of a spine or on the surface of the animal's body. In other sea stars, they are present in pits on the abactinal, marginal, or actinal surface; often on the adambulacral plate adjacent to the tube foot furrow. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Pedicellaria」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.