Oogenesis

卵子发生/ Ovulation / Ovarian cycle- Definition, Phages, Process

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Oogenesis or Ovulation or Ovarian cycle

Oogenesis Definition Oogenesis is the female version of gametogenesis. It is the process of formation of female gamete or ovum, necessary for sexual reproduction. The process of oogenesis starts pre-natally, i.e. before the birth of the female child. It begins about 8-20 weeks after the fetus has begun to grow and goes on until the birth of the child. Thus, a newborn female child already has all the egg cells that are to be released from the ovaries during the …Read more

Spermatogenesis vs Oogenesis- Definition, 18 Differences, Examples

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Differences between Spermatogenesis and Oogenesis

Spermatogenesis Definition Spermatogenesis is the process of formation of mature sperm cells through a series of mitotic and meiotic divisions along with metamorphic changes in the immature sperm cell. It is the male version of gametogenesis which results in the formation of mature male gametes. Spermatogenesis requires optimal conditions to occur and is essential for sexual reproduction. The complete process of spermatogenesis occurs in different stages that take place in different structures within the male reproductive system. It begins in …Read more