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Abstract

Detailed examination of the human thyroid primordium and gland in prenatal life (3 mm CRL to 520 mm CHL, 5 weeks to full term) makes it possible to divide into the following three differentiative stages: 1. The primordial development (early differentiation stage, 3 to 13 mm CRL, 5 to 7 weeks), 2. the preparatory development (preparatory differentiation stage, 14 mm CRL to 90 mm CHL, 8 to 12 weeks) and 3. the final development (follicle stage, 95 to 520 mm CHL, 13 weeks to full term).

Keywords

Final Development Full Term Thyroid Lobe Cell Cord Primordial Cell 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1971

Authors and Affiliations

  • Shooichi Sugiyama
    • 1
  1. 1.Nagoya University School of MedicineShowa-Ku NagoyaJapan

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