| MACROSPORANGIA | • macrosporangia n. Plural of macrosporangium. • MACROSPORANGIUM n. a sporangium producing only megaspores. |
| MACROSPORANGIUM | • macrosporangium n. (Botany) A megasporangium; sporangium or conceptacle containing only large spores; opposed to microsporangium. • MACROSPORANGIUM n. a sporangium producing only megaspores. |
| MACROSPORE | • macrospore n. One of the specially large spores of certain flowerless plants, as Selaginella, etc. • MACROSPORE n. a spore giving rise to a female gametophyte. |
| MACROSPORES | • macrospores n. Plural of macrospore. • MACROSPORE n. a spore giving rise to a female gametophyte. |
| MICROSPORANGIA | • microsporangia n. Plural of microsporangium. • MICROSPORANGIUM n. the sporangium in heterosporous plants where the microspores develop. |
| MICROSPORANGIUM | • microsporangium n. (Botany) A case, capsule or container that holds microspores. • MICROSPORANGIUM n. the sporangium in heterosporous plants where the microspores develop. |
| MICROSPORE | • microspore n. (Botany) The smaller of the two spores produced by plants; compare megaspore. • microspore n. (Zoology) One of the numerous tiny spore-like elements produced through the encystment and subdivision of many monads. • MICROSPORE n. a spore giving rise to a male gametophyte. |
| MICROSPORES | • microspores n. Plural of microspore. • MICROSPORE n. a spore giving rise to a male gametophyte. |
| MICROSPORIC | • microsporic adj. (Botany) Of or pertaining to microspores. • MICROSPORIC adj. like a microspore, also MICROSPOROUS. |
| MICROSPORIDIAN | • microsporidian n. Any of many parasites, of the class Microsporidia, considered to be fungi or close relatives of fungi. • MICROSPORIDIAN adj. relating to a class of small parasites. |
| MICROSPOROCYTE | • microsporocyte n. (Biology) A cell that produces (typically four) microspores during meiosis. • MICROSPOROCYTE n. a microspore mother cell. |
| MICROSPOROCYTES | • microsporocytes n. Plural of microsporocyte. • MICROSPOROCYTE n. a microspore mother cell. |
| MICROSPOROPHYLL | • microsporophyll n. A leaflike organ that bears one or more microsporangia (contrast megasporophyll or macrosporophyll). • MICROSPOROPHYLL n. a specialised leaf bearing or subtending one or more microsporangia. |
| MICROSPOROUS | • microsporous adj. Relating to microspores. • MICROSPOROUS adj. of or like a microspore, also MICROSPORIC. |