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Microsporangium


microsporangium
a spore case containing microspores
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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microsporangium The structure (sporangium) in which microspores are produced.
microspore Haploid cells produced by meiosis in the anthers of angiosperms; four microspores are produced from a single microsporocyte.
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microsporangium
The sporangium from which the microspores are formed, which in higher plants is the pollen sac.
Covered in Lab 8 Seed Plant Reproduction ...
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microspore mother cell Cells in the microsporangium that undergo meiosis to produce microspores. In flowering plants the microspore is known as the pollen grain, and contains a three-celled male.
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Transfer of pollen from the anther to the stigma in angiosperms or from the microsporangium to the micropyle in gymnosperms.
Clone bank
See genomic library.
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It is present in lower plants like mosses and ferns, and also in the primitive vascular Psylotophytes, but the comparable structure in gymnosperms' (microsporangium) and angiosperms' (anthers) is comprised mostly of sporophyte (diploid) tissue that ...
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