翻訳と辞書
Words near each other
・ Sex Bomb
・ Sex Bomb (song)
・ Sex Bomb Baby
・ Sex Box
・ Sex Box (U.S. TV series)
・ Sex brennt (exhibition)
・ Sex change
・ Sex Change (album)
・ Sex change (disambiguation)
・ Sex chromosome disorders
・ Sex Clark Five
・ Sex club
・ Sex columnist
・ Sex comedy
・ Sex cord tumour with annular tubules
Sex cords
・ Sex cord–gonadal stromal tumour
・ Sex Court
・ Sex crime (disambiguation)
・ Sex Crimes and the Vatican
・ Sex Crimes Unit (film)
・ Sex Criminals
・ Sex Cymbal
・ Sex Cymbal (song)
・ Sex de Marinda
・ Sex determination
・ Sex dice
・ Sex diet
・ Sex Differences in Cognitive Abilities
・ Sex differences in crime


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Sex cords : ウィキペディア英語版
Sex cords

In embryology, the sex cords, (primitive sex cords or gonadal cords) are structures that develop from the gonadal ridges. After sexual differentiation, at day 49, the sex cords in males become the testis cords by the action of the testis-determining factor protein, which helps to develop and nourish the Sertoli cells. The testis cords are precursors to the rete testis. They play several different roles in the development of the male genitals.
In females the sex cords become the cortical cords, also called secondary cords. After further development they become the ovarian follicles.
==See also==

* Development of the gonads
* Sex cord-stromal tumour

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Sex cords」の詳細全文を読む



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