a cell inside the ovule of a flowering plant where fertilization occurs
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An embryo sac is a structure found within the ovule of a flower where female gametophyte development takes place. It is a small sac-like structure that contains the egg cell along with other cells involved in the process of fertilization and seed formation.
The number of cells within an embryo sac is typically equal to the number of nuclei within the embryo sac. This is because each cell of the embryo sac contains one nucleus, and during the process of embryo sac development, the number of cells and nuclei increase concurrently.
A fluid-filled sac that surrounds an embryo is called an amniotic sac. This sac contains amniotic fluid, which provides protection and cushioning for the developing embryo.
The embryo sac is the female gametophyte in a flower. It is located within the ovule and contains the egg cell, synergids, and antipodal cells. The embryo sac plays a crucial role in the process of fertilization in plants.
An amniotic sac is a fluid-filled sac that surrounds and protects the embryo during development in utero. It helps provide a cushion against physical impact and keeps a stable environment for the embryo to grow.
The amniotic membrane forms a protective sac that surrounds the embryo during development. It is filled with amniotic fluid that cushions and protects the developing embryo/fetus.