| 释义 |
ophiuran, a. and n. Zool.|ɒfɪˈ(j)ʊərən|
[f. mod.L. Ophiūra, f. Gr. ὄϕις serpent + οὐρά tail, in reference to the long snake-like arms.]
a. adj. Belonging to the genus Ophiura, family Ophiuridæ, or class Ophiuroidea of Echinoderms, comprising starfishes with well-defined slender arms (simple or branched) covered with plates or spines.
b. n. A starfish of this genus, family, or class; a brittle-star or sand-star. So ˈophiure (= b); ophiˈurid a. and n.; ophiˈuroid a. and n.
1836–9Todd Cycl. Anat. II. 45/1 The Ophiura has..ten ovaries..in the central part of the animal. 1864Reader No. 85. 204/2 Starfishes, echinoids, or ophiurans. 1874Lubbock Orig. & Met. Ins. iii. 61 Among the Ophiurans..we find two well-marked types of development.
1877Huxley Anat. Inv. Anim. ix. 566 The mouth of the Echinopaedium becomes that of the *ophiurid. 1877W. Thomson Voy. Challenger II. iv. 202 A viviparous ophiurid occurred in considerable numbers.
1888Chambers' Encycl. II. 467 The technical title *Ophiuroid describes the snake-like coils of their ‘arms’. 1888Rolleston & Jackson Anim. Life 549 The Echinoid and Ophiuroid larva is known as Pluteus. |