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受精
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受精
Encyclopedia
理学
受精（植物）
释
fertilization(plant)
受精（植物）
通常有广义和狭义两个概念。广义概念指从花粉落在柱头上到精卵融合完成的整个过程，因此，受精过程可分为两个阶段，即配子配合前阶段和配子配合阶段，这一概念通常用于被子植物。狭义概念仅指雌雄配子的融合过程。
理学
受精
释
fertilization
受精
单倍体的精子和卵子相互结合并融合形成双倍体合子的过程，是有性生殖生物个体发育的起点。
Biology
fertilization; spermatization
受精
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