Definition of Megasporangium. Meaning of Megasporangium. Synonyms of Megasporangium

- A sporangium (from Late Latin, from Ancient Gr**** σπορά (sporá) 'seed' and ἀγγεῖον (angeîon) 'vessel'); pl.: sporangia) is an enclosure in which spores...
- integument, forming its outer layer, the nucellus (or remnant of the megasporangium), and the female gametophyte (formed from a haploid megaspore) in its...
- The megaspore mother cell arises within the megasporangium tissue. In flowering plants the megasporangium is also called the nucellus, and the female...
- and radially symmetrical, is an integumented megasporangium surrounded by a cu****. The megasporangium bears an unopened distal extension protruding...
- consists of a stalked, integumented megasporangium (also called the nucellus). Typically, one cell in the megasporangium undergoes meiosis resulting in one...
- to the two kind of spores from within separate sporangia, either a megasporangium that produces megaspores or a microsporangium that produces microspores...
- (ovules) each of which produces a megaspore which develops inside the megasporangium to produce the megagametophyte. In other plants, such as hazel, some...
- (male) produced in microsporangium and megaspores (female) produced in megasporangium that are typically present in pollen cones or ovulate cones respectively...
- sporophyte, a condition known as endospory. Seeds consist of an endosporic megasporangium surrounded by one or two sheathing layers (integuments). The young sporophyte...
- known as stigmarian rootlets arranged in a spiralling pattern, and megasporangium each containing a single functional megaspore that germinates inside...