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单词 nauplius
释义 nauplius Zool.|ˈnɔːplɪəs|
Pl. nauplii |ˈnɔːplɪaɪ|.
[L. nauplius a kind of shellfish, or Nauplius, a. Gr. ναύπλιος, a son of Poseidon.]
a. O. F. Müller's name for a supposed genus of crustaceans. Obs.
b. A larval stage of development in some of the lower crustaceans, characterized by an unsegmented body with a dorsal shield, an unpaired median eye, and three pairs of legs.
1836Penny Cycl. V. 340/2 Some time afterwards..they acquire another pair of feet; they are then the genus Nauplius of the same author [Müller].1869W. S. Dallas tr. F. Müller's Facts for Darwin 62 The Nauplii of the Cirripedia have to undergo several moults whilst in that form.1877Huxley Anat. Inv. Anim. vi. 290 The Pectostraca..leave the egg as a Nauplius, provided with three pairs of limb-like appendages.
attrib.1869W. S. Dallas tr. F. Müller's Facts for Darwin 84 The Cyclopes of our fresh waters were excluded in the Nauplius-form.Ibid. 88 Beneath this Nauplius-skin a very different larva lies ready prepared.1888Rolleston & Jackson Anim. Life 538 A Nauplius-stage.Ibid., An azygos Nauplius-eye.
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更新时间:2025/2/3 11:20:43