embryo sac meaning in Hindi

Examples

1. This entire structure with its eight nuclei is called the embryo sac.
2. The embryo sac is of the " Fritillaria " type.
3. Two polar nuclei are left in the central cell of the embryo sac.
4. The megaspores become megagametophytes ( embryo sacs ).
5. A typical embryo sac contains seven cells and eight nuclei, one of which is the egg cell.
6. Oogenesis occurs within the embryo sac and leads to the formation of a single egg cell per ovule.
7. In angiosperms, the megagametophyte is reduced to only a few nuclei and cells, and is sometimes called the embryo sac.
8. In oaks, early fertilized ovules prevent the fertilization of other ovules by inhibiting the pollen tube entry into the embryo sac.
9. This process involves the joining of a female gametophyte ( megagametophyte, also called the embryo sac ) with two male gametes ( sperm ).
10. In flowering plants, the female gametophyte ( sometimes referred to as the embryo sac ) has been reduced to just eight cells inside the ovule.