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单词 dermal bone
释义

Definition of dermal bone in English:

dermal bone

noun
Zoology
  • A bone that does not have a cartilaginous precursor and is formed by differentiation of dermal mesenchyme cells into osteoblasts; specifically one which is connected with the ectodermal basement membrane by dentine or enamel, or which is homologous with such a bone.

Origin

Mid 19th century; earliest use found in Gideon Mantell (1790–1852), surgeon and geologist.

Definition of dermal bone in US English:

dermal bone

noun
Zoology
  • A bone that does not have a cartilaginous precursor and is formed by differentiation of dermal mesenchyme cells into osteoblasts; specifically one which is connected with the ectodermal basement membrane by dentine or enamel, or which is homologous with such a bone.

Origin

Mid 19th century; earliest use found in Gideon Mantell (1790–1852), surgeon and geologist.

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