mega·spore /ˈmɛgəˌspor, ˌspɔr/
大孢子
mega·spore /ˈmɛgəˌspo(ə)r, ˌspɔ(ə)r/ 名詞
megaspore
n : larger of the two types of spore produced in heterosporous
plants; develops in ovule into a female gametophyte [syn:
macrospore]