microspore
/ˈmaɪkroʊˌspɔr/
noun
- A small spore that develops into a male gametophyte in plants, such as a pollen grain.
- Under the microscope, the microspore looked like a tiny round seed.
- Each microspore in a flower can grow into a pollen grain that carries sperm cells.
- The plant releases millions of microspores into the air during spring.