sper·mato·go·ni·um /-ˈgoniəm/
  sper·mato·go·ni·um /-ˈgonɪəm/ 名詞
  精原細胞
  Sper·ma·to·go·ni·um n.  Physiol. A primitive seminal cell, occuring in masses in the seminal tubules. It divides into a mass (spermosphere) of small cells (spermoblast), which in turn give rise to spermatozoids.
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