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单词 notochordal
释义

WordReference Random House Unabridged Dictionary of American English © 2024
no•to•chord  (nōtə kôrd′),USA pronunciation n. [Embryol.]
  1. Developmental Biologya rodlike cord of cells that forms the chief axial supporting structure of the body of the lower chordates, as amphioxus and the cyclostomes, and of the embryos of the vertebrates.
  • noto- + chord 1840–50
no′to•chordal, adj. 

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