…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 "spermatid" 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。… ※「spermatid」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 |
In the Edo period, the Shogunate issued a law res...
…Official name = Republic of Bosnia and Herzegovi...
...In ancient Asia Minor, the Phrygian goddess Cy...
...The volcanological research institute of the A...
…There are said to be hundreds or even thousands ...
…He sought themes from folklore and history. His ...
What is the disease? The airway that passes throu...
He was one of the founders of the Roman Republic i...
…Dharma is a transliteration of Dharma. It is cor...
… There are other ways to play the game. (1) Two ...
...Therefore, the hierarchical distinction is bas...
Under the Civil Procedure Law, it refers to a per...
Also called pseudoreflex. In the peripheral nervou...
Please see our "Chorioepithelioma" page...
A type of administrative prior regulation. Exampl...