ALL meanings of microspore
mi·cro·spore
M m - noun microspore the smaller of the two kinds of spores characteristically produced by seed plants and some fern allies, developing into a male gametophyte. Compare megaspore, 1
- noun microspore a pollen grain. 1
- noun microspore The smaller of the two kinds of spore produced by some ferns. 1
- noun microspore the smaller of two types of spore produced by some spore-bearing plants, which develops into the male gametophyte 0
- noun microspore the pollen grain of seed plants 0
- noun microspore a haploid spore, usually smaller than a megaspore of the same plant, which gives rise to a male gametophyte: found in all seed plants, where it is an immature pollen grain, and in many lower vascular plants 0