For the first time, in this developmental stage, only the secondary jaw joint, and no longer any primary jaw joint, is present [1].

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Fetus 230 mm CRL (ca. 24st wk): ULF270592

  • Ralf Johannes Radlanski

摘要

For the first time, in this developmental stage, only the secondary jaw joint, and no longer any primary jaw joint, is present [1].