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==Introduction==
 
==Introduction==
 
Oogenesis is the process of producing the female gametes, the Ovum, from the primordial germ cells. The majority of the steps in oogenesis, up to the point of producing primary oocytes, occur pre-natally. Therefore, females are born with all of the Primary Oocytes that they will ever have as primary oocytes do not divide further. These Primary Oocytes are committed to a gamete fate and either become secondary oocytes or degenerate. Oocyte development occurs within follicles and so oogenesis and folliculogenesis occur in conjunction with each other, interacting via reciprocal induction. The follicular granulosa cells produce important growth factors and supporting substances to facilitate oocyte development and visa-versa.
 
Oogenesis is the process of producing the female gametes, the Ovum, from the primordial germ cells. The majority of the steps in oogenesis, up to the point of producing primary oocytes, occur pre-natally. Therefore, females are born with all of the Primary Oocytes that they will ever have as primary oocytes do not divide further. These Primary Oocytes are committed to a gamete fate and either become secondary oocytes or degenerate. Oocyte development occurs within follicles and so oogenesis and folliculogenesis occur in conjunction with each other, interacting via reciprocal induction. The follicular granulosa cells produce important growth factors and supporting substances to facilitate oocyte development and visa-versa.
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*This stage only ocurs once fertilisation of the secondary oocyte by the sperm has occurred.
 
*This stage only ocurs once fertilisation of the secondary oocyte by the sperm has occurred.
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[[Category:Female Reproduction]]
 
[[Category:Female Reproduction]]
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