mi·cro·spore (m  kr -spôr , -sp r)n. Botany The smaller of two types of spores that give rise to a male gametophyte. mi cro·sporic, micro·sporous (mkr-spôrs, -spr-, m-kr spr-s) adj. |
microspore [ˈmaɪkrəʊˌspɔː]
n
1. (Life Sciences & Allied Applications / Botany) the smaller of two types of spore produced by some spore-bearing plants, which develops into the male gametophyte Compare megaspore [1]
2. (Life Sciences & Allied Applications / Botany) the pollen grain of seed plants
microsporic , microsporous adj
| microspore (mkr-spôr) One of the two types of haploid spores produced by a heterosporous plant. Microspores develop into male gametophytes and are usually smaller than megaspores. In angiosperms, the microspore develops into the pollen grain. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  microspore - smaller of the two types of spore produced in heterosporous plants; develops in the pollen sac into a male gametophytespore - a small usually single-celled asexual reproductive body produced by many nonflowering plants and fungi and some bacteria and protozoans and that are capable of developing into a new individual without sexual fusion; "a sexual spore is formed after the fusion of gametes" |
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