Megasporangium



[meg-uh-spaw-ran-jee-uh m, -spoh-] /ˌmɛg ə spɔˈræn dʒi əm, -spoʊ-/

noun, plural megasporangia
[meg-uh-spaw-ran-jee-uh, -spoh-] /ˌmɛg ə spɔˈræn dʒi ə, -spoʊ-/ (Show IPA). Botany.
1.
a containing megaspores.
/ˌmɛɡəspɔːˈrændʒɪəm/
noun (pl) -gia (-dʒɪə)
1.
the structure in certain spore-bearing plants in which the megaspores are formed: corresponds to the ovule in seed plants Compare microsporangium
megasporangium
(měg’ə-spə-rān’jē-əm)
Plural megasporangia
A plant structure in which megaspores are formed, such as those of the female cones of pines.

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  • Megaspore

    [meg-uh-spawr, -spohr] /ˈmɛg əˌspɔr, -ˌspoʊr/ noun, Botany. 1. the larger of the two kinds of characteristically produced by seed plants and a few fern allies, developing into a female gametophyte. Compare . 2. the embryo sac of a flowering plant. /ˈmɛɡəˌspɔː/ noun 1. Also called macrospore. the larger of the two types of spore produced […]

  • Megaspore-mother-cell

    noun, Botany. 1. a diploid cell in plants that undergoes meiosis to create four haploid megaspores.



  • Megaspores

    [meg-uh-spawr, -spohr] /ˈmɛg əˌspɔr, -ˌspoʊr/ noun, Botany. 1. the larger of the two kinds of characteristically produced by seed plants and a few fern allies, developing into a female gametophyte. Compare . 2. the embryo sac of a flowering plant. /ˈmɛɡəˌspɔː/ noun 1. Also called macrospore. the larger of the two types of spore produced […]

  • Megasporocyte

    noun, Botany. 1. a diploid cell in plants that undergoes meiosis to create four haploid megaspores. megasporocyte (měg’ə-spôr’ə-sīt’) A diploid cell that undergoes meiosis to produce megaspores as part of megasporogenesis. Also called megaspore mother cell.



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