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.
Read Also:
- 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.
- Megasporogenesis
[meg-uh-spawr-uh-jen-uh-sis, -spohr-] /ˌmɛg əˌspɔr əˈdʒɛn ə sɪs, -ˈspoʊr-/ noun, Botany. 1. the formation and development of megaspores. megasporogenesis (měg’ə-spôr’ə-jěn’ĭ-sĭs) The formation of megaspores inside the ovules of seed plants. A diploid cell in the ovule, called a megasporocyte or a megaspore mother cell, undergoes meiosis and gives rise to four haploid megaspores. In most plants, […]