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单词 kentrogon
释义

kentrogonn.

/ˈkɛntrəɡɒn/
Etymology: < French kentrogone (Y. Delage 1884, in Arch. Zool. Expér. & Gén. 2 Sér. II. 606), < Greek κέντρον sharp point + γόνος offspring.
Zoology.
A larval form of parasitic barnacles of the order Rhizocephala, in which state the barnacle first attaches itself to the host.
ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > subclass Entomostraca > order Cirripedia > suborder Rhizocephala > larval member of
kentrogon1909
1909 A. Sedgwick Student's Text-bk. Zool. III. v. 430 At this stage the young Cirripede is known as the Kentrogon larva.
1909 W. T. Calman in E. R. Lankester Treat. Zool. VII. v. 134 (caption) Kentrogon-stage, after the Cypris shell has been cast off and the ‘dart’ has been formed.
1940 Chambers's Techn. Dict. 473/1 Kentrogon (Zool.). A stage in the life-history of certain parasitic Cirripedia (e.g. Sacculina) which succeeds the Cypris stage and precedes the entry of the parasite into the body of the host.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
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n.1909
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