详细解释:【医】 粗线期
英语解释：
名词 pachytene:
the third stage of the prophase of meiosis详细解释：
pach.y.tene
n.（名词）The third stage of the prophase of meiosis during which the homologous chromosomes become short and thick and divide into four distinct chromatids.粗线期：在同周期的染色体群变短变粗并分裂为四个不同的染色单体过程中减数分裂前期的第三个阶段
来源：French pachytène 法语 pachytène Greek pakhus [thick] 希腊语 pakhus [厚的] -tène [ribbon] from Latin taenia * see taenia -tène [带状物] 源自 拉丁语 taenia *参见 taenia