macrosporen. 大孢子學術名詞大胞子：植物學、動物學、發生學大孢子：植物學、動物學、食品科技大型芽孢：獸醫學雌胞子：植物學英文釋義larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte