在陆地棉小孢子发生过程中,相邻的减数分裂细胞壁中的细胞质通道是一个明显的特征。
The cytoplasmic channel in the wall of adjacent meiocytes was an obvious feature during microsporogenesis in Gossypium hirsutum.
单核中央期小孢子细胞质液泡化。
Vacuolation of cytoplasm at stage of central nucleus microspore . 20.
原胚初期胚体出现背腹极性,腹面的细胞小,细胞质稠密,液泡较少;
During early proembryo stage, the dorsiventrality appears in the proper of the embryo. On the ventral side, the cells are small with dense cytoplasm and few vacuoles.
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