Pollen cell

… A similar alternation of generations occurs in seed plants (gymnosperms and angiosperms). The plant body we commonly see is the sporophyte (diplomorphic, asexual generation), which produces two types of spores, large and small. The megaspores are called embryo sac cells, and the microspores are called pollen cells. As in mosses and ferns, the spores germinate and become gametophytes (haploid, sexual generation). …

*Some of the terminology that mentions "pollen cells" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…　種子植物(裸子植物と被子植物)でも同様の世代交代を行う。普通に見る植物体が胞子体(複相･無性世代)で，大小2種類の胞子をつくるが，大胞子を胚囊細胞，小胞子を花粉細胞と呼ぶ。コケ植物やシダ植物と同様に，胞子は発芽して配偶体(単相･有性世代)となる。…

※「花粉細胞」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報