Difference between oogenesis and ovulation?

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# Oogenesis is the process of formation of female gametes (egg cell) #While Ovulation is the release of secondary Oocyte ( immature egg cell ) through overy in the influence of LH harmone which mature to egg just before fertilisation.

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Oogenesis means formation of female gamete that is ovum whereas ovulation is release of ovum from graffian follicle.

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Oogenesis means formation of female gamete i.e. egg while ovulation is release of ovum from graffian follicle under the influence of LH .

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Oogenesis is the process of formation of egg, and ovulation is process of release of egg

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Oogenesis:
Oogenesis is the process of the formation and development of female gametes, also known as eggs or ova. It occurs in the ovaries and begins during fetal development in the female embryo.

Stages of Oogenesis:
1. Fetal Stage:
During the fetal stage, oogonia (primordial germ cells) undergo mitosis and differentiate into primary oocytes. These primary oocytes are surrounded by a layer of cells called follicular cells.

2. Puberty:
At the onset of puberty, under the influence of hormones, some of the primary oocytes resume meiosis. However, the process is arrested at prophase I, forming secondary oocytes.

3. Ovulation:
During each menstrual cycle, one secondary oocyte completes meiosis I to form two haploid cells - a large secondary oocyte and a smaller polar body. The secondary oocyte is released from the ovary and enters the fallopian tube. It is at this stage that ovulation occurs.

Ovulation:
Ovulation is the release of a mature secondary oocyte from the ovary into the fallopian tube, where it can potentially be fertilized by sperm. It is a part of the menstrual cycle and occurs approximately midway through the cycle.

Process of Ovulation:
1. Follicle Development:
During the follicular phase of the menstrual cycle, under the influence of follicle-stimulating hormone (FSH), several follicles in the ovary begin to develop. These follicles contain secondary oocytes.

2. Dominant Follicle:
As the follicles develop, one becomes the dominant follicle. It continues to grow and produces increasing amounts of estrogen.

3. LH Surge:
As estrogen levels rise, they trigger a surge of luteinizing hormone (LH) from the pituitary gland. This LH surge stimulates the release of the secondary oocyte from the mature follicle.

4. Ovulation:
The mature follicle ruptures, and the secondary oocyte is released from the ovary. It is then swept into the fallopian tube by the fimbriae, where it awaits fertilization.

Key Differences:

Oogenesis:
- Oogenesis is the process of formation and development of female gametes (eggs or ova).
- It occurs in the ovaries.
- It begins during fetal development in the female embryo.
- It involves the formation of primary oocytes, which undergo meiosis to form secondary oocytes.

Ovulation:
- Ovulation is the release of a mature secondary oocyte from the ovary into the fallopian tube.
- It is a part of the menstrual cycle.
- It occurs approximately midway through the menstrual cycle.
- It involves the release of the secondary oocyte from the mature follicle.

Overall, oogenesis is the broader process of egg formation, while ovulation specifically refers to the release of the mature egg from the ovary.

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