Egg apparatus of embryo sac contains

If you are interested in learning about the reproductive structures of flowering plants, you might have come across the term "egg apparatus". But what exactly is an egg apparatus and what does it contain? In this blog post, we will answer these questions and explain the role of the egg apparatus in plant fertilization.

An egg apparatus is a group of three cells that are part of the embryo sac, which is the female gametophyte of an angiosperm. The embryo sac is formed inside the ovule, which is enclosed by the ovary. The embryo sac contains seven cells and eight nuclei, arranged in a specific pattern. The egg apparatus is located at the micropylar end of the embryo sac, which is the end that faces the opening of the ovule.

The egg apparatus consists of one egg cell and two synergids. The egg cell is the female gamete that fuses with the male gamete (the sperm nucleus) during fertilization to form the zygote. The zygote then develops into the embryo. The synergids are two cells that flank the egg cell and help in attracting and guiding the pollen tube towards the egg cell. The synergids have finger-like projections called filiform apparatus that extend into the micropyle and secrete chemicals that attract the pollen tube. The filiform apparatus also helps in transferring nutrients from the nucellus (the tissue surrounding the embryo sac) to the egg cell.

The egg apparatus is one of the key components of the embryo sac that ensures successful fertilization and seed development in angiosperms. It contains three haploid cells that have different functions but work together to achieve a common goal: producing a new plant.

Rjwala

Rjwala is your freely Ai Social Learning Platform. here our team solve your academic problems daily.

Egg apparatus of embryo sac contains