macrospore
/mak-ruh-spawr, -spohr/US // ˈmæk rəˌspɔr, -ˌspoʊr //UK // (ˈmækrəʊˌspɔː) //
大孢子,巨孢子,宏孢子
Definitions
n.名词 noun
- 1
Botany.
- : megaspore.
Examples
But the formation of the macrospore or embryo-sac is simpler than the corresponding process in cryptogams.
The larger ones contain each a large spore, or macrospore; the smaller contain numerous microspores, immersed in mucilage.
The macrospore divides into two cells, a large lower one, and a smaller upper one.
The nucellus is a cellular tissue enveloping one large cell, the embryo-sac or macrospore.
Level 5Browse all words →