macrospore

1. Synthesis of Pseudo ionone Catalyzed by Macrospore Anion Exchangers under Ultrasonic Irradiation
   超声辐射下大孔强碱树脂催化合成假性紫罗兰酮
2. Megasporogenesis and Female Gametogenesis: Archesporium is of one cell, it directly functions as macrospore mother cell.
   大孢子和雌配子体发生：孢原为一个细胞，它直接起大孢子母细胞功能。
3. Dry crack, animal passage way, expanding fractures, and structural pores related to vegetation cover, constitute a relatively stable macrospore system in upper slope mass, which improve markedly the recharge environment of groundwater and make slopes absorb all precipitation except interception by vegetation.
   与植被相关的干裂缝、动物通道、膨胀裂缝及结构性孔隙等在岩土体中形成的相对稳定的大空隙系统可以显著优化地下水的补给环境，使得斜坡能够吸收除植被拦截之外的几乎所有降雨量；
4. Most macrospore tetrads are linear and a few are T-shaped;
   大孢子四分体多数为直线形排列，少数为T字形排列；
5. The results of experiments showed that peroxidase isozymes related closely with the development of macrospore, the formation of embryo sac and the differentiation of stigma mammilliform cell.
   实验结果表明，过氧化物酶同工酶与大孢子发生、胚囊形成以及柱头乳头细胞的分化过程有密切的关系；
6. The character of macrospore in development were as followed: anatropal ovule, basal placenta, thick nucellar, two integument, megaspore mother cell coming directly from archesporial cell, early degenerating antipodal cell, thedevelopment of the embryo sac being conformed as the polygonum type.
   雌配子体发育的特点是：倒生胚珠、基底胎座、厚珠心、双珠被、孢原细胞直接长大成大孢子母细胞、反足细胞退化早，胚珠发育为蓼型。
7. First, the interior of macrospore is even material, then dissociative nucleus formed, followed cell structure formed.
   大孢子内部首先是充满均匀物质，随着发育，出现游离核，其后形成细胞结构。
8. The macrospore of I. sinensis is trilete, tetrahedral. Gametophyte development is in cell wall.
   中华水韭的大孢子为四面体形、三裂缝，配子体发育为壁内发育型。

noun

1. larger of the two types of spore produced in heterosporous plants

   Synonym:    megaspore