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- Development_of_the_gonads abstract "The prenatal development of the gonads is a part of the development of reproductive system and ultimately forms the testes in males and ovaries in females. They initially develop from the mesothelial layer of the peritoneum. The ovary is differentiated into a central part, the medulla of ovary, covered by a surface layer, the germinal epithelium. The immature ova originate from cells from the dorsal endoderm of the yolk sac. Once they have reached the gonadal ridge they are called oogonia. Development proceeds and the oogonia become fully surrounded by a layer of connective tissue cells (pre-granulosa cells) In this way, the rudiments of the ovarian follicles are formed.In the testis, a network of tubules fuse to create the seminiferous tubules. Via the rete testis, the seminiferous tubules become connected with outgrowths from the mesonephros, which form the efferent ducts of the testis. The descent of the testes consists of the opening of a connection from the testis to its final location at the anterior abdominal wall, followed by the development of the gubernaculum, which subsequently pulls and translocates the testis down into the developing scrotum. Ultimately, the passageway closes behind the testis. A failure in this process causes indirect inguinal hernia.Germ cells migrate from near the allantois and colonize the primordial gonads. In the female, the germ cells colonise the cortex and become oogonia. In the male, the germ cells colonise the seminiferous cords of the medulla, becoming spermatagonia".
- Development_of_the_gonads wikiPageID "12679999".
- Development_of_the_gonads wikiPageRevisionID "583639503".
- Development_of_the_gonads hasPhotoCollection Development_of_the_gonads.
- Development_of_the_gonads subject Category:Embryology_of_urogenital_system.
- Development_of_the_gonads subject Category:Zoology.
- Development_of_the_gonads comment "The prenatal development of the gonads is a part of the development of reproductive system and ultimately forms the testes in males and ovaries in females. They initially develop from the mesothelial layer of the peritoneum. The ovary is differentiated into a central part, the medulla of ovary, covered by a surface layer, the germinal epithelium. The immature ova originate from cells from the dorsal endoderm of the yolk sac. Once they have reached the gonadal ridge they are called oogonia.".
- Development_of_the_gonads label "Development of the gonads".
- Development_of_the_gonads sameAs m.02x07kk.
- Development_of_the_gonads sameAs Q5266777.
- Development_of_the_gonads sameAs Q5266777.
- Development_of_the_gonads wasDerivedFrom Development_of_the_gonads?oldid=583639503.
- Development_of_the_gonads isPrimaryTopicOf Development_of_the_gonads.