| microspora | A phylum of protozoa comprising minute intracellular parasites with spores of unicellular origin. It has two classes: rudimicrosporea and microsporea. (12 Dec 1998) |
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| microspora infections | Infections with protozoa of the phylum microspora. (12 Dec 1998) |
| microsporangium | <plant biology> The smaller of the two kinds of sporangia produced in the sexual life cycle of a heterosporous plant. (09 Oct 1997) |
| Microsporasida | An order of parasitic protozoa found mostly in arthropods and fish and in some lower vertebrates. It comprises two suborders: pansporoblastina and apansporoblastina. (12 Dec 1998) |