NOUN
- the female gametophyte produced by the megaspore of a plant that produces both microspore and megaspores
How To Use megagametophyte In A Sentence
- Simultaneous analysis of the haploid megagametophyte and diploid embryo in a seed allows the female and male gametic contributions to the zygote to be separated.
- More recent work suggests that the cell wall hydrolase, pectin methyl esterase, plays a role in weakening of the megagametophyte, allowing radicle emergence and the completion of germination.
- During sexual megagametophytic development (with the embryo sac as the megagametophyte and the egg cell as megagamete), a sub-epidermal cell of the nucellus tissue differentiates into a megaspore-mother cell which undergoes meiosis I and II to form four megaspores.