Within the nucleus is found the embryo sac or megaspore (Heber W. Youngken).
Also, macrospore.Useful english dictionary. 2012.
meg|a|spo|ran|gi|um — «MEHG uh spuh RAN jee uhm», noun, plural gi|a « jee uh». a sporangium containing megaspores: »The megasporangium usually produces only four megaspores (Fred W. Emerson). Also, macrosporangium. ╂[< mega(spore) + spo … Useful english dictionary
megaspore — meg•a•spore [[t]ˈmɛg əˌspɔr, ˌspoʊr[/t]] n. bot the larger of the two kinds of spores characteristically produced by seed plants and a few fern allies, developing into a female gametophyte Compare microspore • Etymology: 1885–90 meg a•spor′ic… … From formal English to slang
o — abi·o·log·i·cal; ab·o·li·tion; ab·o·li·tion·ary; ab·o·li·tion·dom; ab·o·li·tion·ism; ab·o·li·tion·ist; ab·o·li·tion·ize; ab·o·ma·sal; ab·o·ma·sum; ac·an·thol·o·gy; ac·an·thop·o·dous; acar·i·dol·o·gist; ac·a·ri·nol·o·gy; acar·i·o·sis;… … English syllables
megaspore — SYN: macrospore. * * * mega·spore meg ə .spō(ə)r, .spȯ(ə)r n 1) a spore in heterosporous plants that gives rise to female gametophytes and is generally larger than a microspore 2) MACROSPORE mega·spor·ic .meg ə spōr ik, spȯr adj * * *… … Medical dictionary
a — acar·a·pis; ac·a·ri·a·sis; ac·a·ri·a·sis; ac·a·ri·na; ac·a·ri·nar·i·um; ac·a·rine; ac·a·ri·nol·o·gy; ac·a·ri·no·sis; ac·a·ro·ce·cid·i·um; ac·a·roid; ac·a·rol·o·gist; ac·a·rol·o·gy; ac·a·ro·pho·bia; ac·a·rus; acat·a·lep·sy; acat·a·lex·is;… … English syllables
Hematopoietic stem cell — HSC=Hematopoietic stem cell, Progenitor=Progenitor cell, L blast=Lymphoblast, Lymphocyte, Mo blast=Monoblast, Monocyte, Myeloblast … Wikipedia
megasporangium — [meg΄əspō ran′jē əm, meg΄əspəran′jē əm] n. pl. megasporangia [meg΄ə spō ran′jēə] [ModL: see MEGA & SPORANGIUM] a sporangium, or spore case, containing only megaspores, as in some ferns … English World dictionary
megaspore — [meg′ə spôr΄] n. [ MEGA + SPORE] a haploid spore, usually larger than a microspore of the same plant, which gives rise to a female gametophyte: found in all vascular plants that have differentiated sexes in the gametophyte megasporic adj … English World dictionary
megasporangium — noun a plant structure that produces megaspores • Syn: ↑macrosporangium • Hypernyms: ↑sporangium, ↑spore case, ↑spore sac * * * | ̷ ̷ ̷ ̷+ noun Etymology: New Latin … Useful english dictionary
megaspore — megasporic /meg euh spawr ik, spor /, adj. /meg euh spawr , spohr /, n. Bot. 1. the larger of the two kinds of spores characteristically produced by seed plants and a few fern allies, developing into a female gametophyte. Cf. microspore. 2. the… … Universalium
