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单词 pedicellaria
释义 pedicellaria Zool.|ˌpɛdɪsəˈlɛərɪə|
Pl. .
[mod.L., f. pedicell-us: see prec.]
In Echinoderms, Each of a number of small pincer-like organs, with two, three, or four valves, on the outside of the body, usually among and around the spines.
1872Nicholson Palæont. 114 The modified pincer-like spines..known by the name of ‘pedicellariæ’.1888Rolleston & Jackson Anim. Life 193 The stalk of the Asteroid, unlike that of the Echinoid pedicellaria, is formed entirely of soft structures.Ibid. 558 (Echinoidea).
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更新时间:2024/9/20 0:47:53