[名词解释] meiosis (减数分裂)

leptotene stage (细线期) Sporic or intermediate meiosis（孢子或中间减数分裂） Zygotic or initial meiosis（合子或起始减数分裂） mitotic apparatus (有丝分裂器) spindle (纺锤体) meiosis (减数分裂)