A spermatid.
| 单词 | θ18927 |
| 释义 | the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > sperm > sperm cell (14) spermatoon1852 A spermatid. spermatogonium1861 (a) Botany (see quot. 1957); (b) Zoology a primordial male reproductive cell which undergoes mitosis and gives rise to primary spermatocytes. spermatocyte1886 a cell which gives rise to spermatids by meiosis; the primary spermatocyte gives rise in meiosis I to two secondary spermatocytes, which each give… spermatid1889 A seminal cell which develops into a spermatozoon; spec. one that is formed by the meiotic division of a secondary spermatocyte and develops into a… primary spermatocyte1896 a diploid spermatocyte that gives rise in the first division of meiosis to two secondary spermatocytes. spermogonium1913 Physiology. A sperm-cell. Subcategories:— mass of (1) — constituents or stages (5) — specific varieties (2) |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。