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单词 blastodermic
释义

WordReference Random House Unabridged Dictionary of American English © 2024
blas•to•derm  (blastə dûrm′),USA pronunciation n. [Embryol.]
  1. Developmental Biologythe primitive layer of cells that results from the segmentation of the ovum.
  2. Developmental Biologythe layer of cells forming the wall of the blastula, and in most vertebrates enclosing a cavity or a yolk mass.
  • blasto- + -derm 1855–60
blas′to•dermic, blas′to•der•matic, adj. 

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