单词：chalazal end
chalazal end的用法和样例：
例句
- The chalazal end megaspore develops into the embryo sac mother cell.合点端大孢子发育为胚囊母细胞。
- As development goes on, callose fluorescence disappears in the chalazal wall of diplosporous functional megaspore.二倍体功能大孢子的合点端细胞壁内的胼胝质荧光消失。
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