microsporen. 小孢子學術名詞小孢子:植物學、生命科學、動物學、食品科技、地質學、高中生命科學小芽孢:動物學小胞子:發生學雄胞子:植物學英文釋義smaller of the two types of spore produced in heterosporous plants; develops in the pollen sac into a male gametophyte