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microspore

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noun mi·cro·spore \ˈmī-krə-ˌspȯr\

Definition of microspore

  1. :  any of the spores in heterosporous plants that give rise to male gametophytes and are generally smaller than the megaspore

microsporous

play \ˌmī-krə-ˈspȯr-əs, mī-ˈkräs-pə-rəs\ adjective


Origin and Etymology of microspore

International Scientific Vocabulary


First Known Use: 1847


Medical Dictionary

microspore

play
noun mi·cro·spore \ˈmī-krə-ˌspō(ə)r, -ˌspȯ(ə)r\

Medical Definition of microspore

  1. 1:  any of the spores in heterosporous plants that give rise to male gametophytes and are generally smaller than the megaspore

  2. 2:  the smaller of two forms of spores produced by various protozoans (as radiolarians)—compare macrospore




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