单词 | sphæridium |
释义 | ‖ sphæˈridium Zool. Pl. -ˈridia. Also -ideum. [mod.L. (Lovén), f. sphæra sphere n.] One of the numerous minute rounded bodies attached to certain parts of sea-urchins.
1877Huxley Anat. Inv. Anim. 572 In some genera, these sphæridea..are sunk in fossæ of the plate to which they are attached. 1888Rolleston & Jackson Anim. Life 559 Sphaeridia..occur on the peristome and ambulacra... Structurally they are modified spines, spherical or oval in shape. |

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