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单词 cosmoid
释义

cosmoid


cosmoid

(ˈkɒzmɔɪd) adj (Zoology) (of the scales of coelacanths and lungfish) consisting of two inner bony layers and an outer layer of cosmine[C20: from cosm(ine) + -oid]

cosmoid


cosmoid

(of the scales of coelacanths and lungfish) consisting of an outer layer of cosmin (which resembles dentine), a mid-layer of spongy bone and a lower layer of bony lamellae. Compare GANOID, PLACOID.
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