释义 |
megagametophyte Bot.|mɛgəgæˈmiːtəʊfaɪt| [f. mega- + gametophyte (s.v. gamete).] A gametophyte that develops from a megaspore; a female gametophyte.
1933Amer. Jrnl. Bot. XX. 217 (heading) Morphology of the megagametophyte and the embryo sporophyte of Isoetes lithophila. 1964H. J. Dittmer Phylogeny & Form Plant Kingdom xxi. 487 A single megagametophyte may contain several archegonia with ripe eggs. |