Gametophyte - Wikipedia
The egg-producing gametophyte is known as a megagametophyte, because it is typically larger, and the sperm producing gametophyte is known as a microgametophyte. Species which …
Megagametophyte | plant anatomy | Britannica
In the gametophyte phase, which is haploid (having a single set of chromosomes), male and female organs (gametangia) develop and produce eggs and sperm (gametes) through simple …
Megagametogenesis - Wikipedia
Megagametogenesis is the process of maturation of the female gametophyte, or megagametophyte, in plants. [1] During the process of megagametogenesis, the megaspore, …
Ovule - Wikipedia
In seed plants, the ovule is the structure that gives rise to and contains the female reproductive cells. It consists of three parts: the integument, forming its outer layer, the nucellus (or remnant …
2.6.3.2: Angiosperm Life Cycle - Biology LibreTexts
Angiosperms have a complex life cycle. The microgametophyte is reduced to 2 cells, while the megagametophyte is now 7 cells and 8 nuclei. Ovules develop within the ovary or ovaries of …
Megagametophyte: - an overview | ScienceDirect Topics
From the remaining functional megaspore, the megagametophyte (also known as female gametophyte or embryo sac) develops by three mitotic divisions, at the mature stage …
The Female Gametophyte - PMC
The female gametophyte is also commonly called the embryo sac or megagametophyte. The male gametophyte, also called the pollen grain or microgametophyte, develops within the …
What is a megagametophyte? - BYJU'S
Megagametophyte: In the ovule, the surviving megaspore undergoes three mitotic divisions to produce a seven-celled eight nuclei as a female gametophyte called an embryo sac. One of …
One tissue, two fates: different roles of megagametophyte cells …
In the present study, it is shown that a major part of the Scots pine megagametophyte cells stay alive and the megagametophyte is viable and metabolically active tissue from the early phases …
The Maize Megagametophyte - SpringerLink
The megagametophyte of maize follows the Polygonum-type pattern of development: one of the four meiotic products, the functional megaspore, undergoes three free nuclear divisions to …