Zoology. In a sea urchin: each of five arched and forked bars set radially at the base (aboral end) of the Aristotle's lantern. Also called compasses…
| 单词 | θ33444 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Echinoidea > member of (sea-urchin) > parts of > rod-like piece in mouth (1) radius1877 Zoology. In a sea urchin: each of five arched and forked bars set radially at the base (aboral end) of the Aristotle's lantern. Also called compasses… |
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