Spermatocyte

…These are the cells that form the various stages of spermatogenesis, moving from the outside to the inside. The spermatogonia (also called spermatogonia) attach to the outer wall, followed by the primary spermatocytes, secondary spermatocytes (also called spermatids), spermatids (also called sperm cells), and finally the sperm. These cells are in contact with tall cells called Sertoli cells, which provide them with nutrients. …

*Some of the terminology that mentions "spermatocyte" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…これは精子形成に至る諸段階の細胞で，外から内に向かって進む。外壁にくっつくのが精原細胞spermatogonium(精祖細胞ともいう)，つづいて第1次精母細胞primary spermatocyte，第2次精母細胞secondary spermatocyte(精娘細胞ともいう)，精細胞spermatid(精子細胞ともいう)，精子の順に発育が進む。これらの細胞は，セルトリ細胞Sertoli cellと呼ばれる丈の高い細胞に接しており，栄養を供給されている。…

※「spermatocyte」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報