Antipodal

Definition

Antipodal cells are a group of three cells located at the opposite end of the egg apparatus in the female gametophyte of flowering plants. They play a role in the nourishment and development of the embryo sac.

5 Must Know Facts For Your Next Test

1. Antipodal cells are part of the seven-celled, eight-nucleate structure known as the embryo sac.
2. They are situated at the chalazal end, opposite to where fertilization occurs.
3. These cells typically degenerate after fertilization but can persist and have auxiliary roles.
4. The primary function is thought to be related to providing nutritional support for the developing embryo sac.
5. In some species, antipodal cells may undergo mitotic divisions and become multinucleate.

Related terms

Embryo Sac: The female gametophyte in flowering plants consisting of seven cells and eight nuclei.

Egg Apparatus: A structure within the embryo sac that includes one egg cell and two synergids.

Chalazal End: The end of the ovule opposite to where fertilization occurs, typically housing antipodal cells.