在开花的高等植物中,雄配子发生包括2个发育步骤, 即小孢子发生(microsporogenesis)和雄配子体发生(male gametogenesis),小孢子发生 是由孢原细胞分化发育成小孢子母细胞,又叫花粉母细胞(pollen mothel"cell),经 减数分裂产生小孢子;而雄配子体...
基于16个网页-相关网页
沙田柚雌雄配子体发育进程有明显差异,小孢子与雄配子体发生较早,持续时间较长;
There is an obvious difference in the developing process of female and male gametophyte.
利用石蜡切片技术观察了埃及白睡莲的大、小孢子的发生,雌、雄配子体的发育,受精作用以及胚和胚乳的发育。
The megasporogenesis, microsporogenesis, female and male gametophyte development, development of embryo and endosperm were observed by using paraffin wax.
雄配子的形成则包括生殖细胞和营养细胞的分化,以及雄配子体的发生。
The formation of male gametes includes germ cell and vegetative cell differentiation and the occurrence of male gametophyte.
应用推荐