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GENITAL RIDGE [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2010-03-22

English

Subject field(s)
  • Embryology
CONT

During the sixth week, the cells of the genital ridge invade the mesenchyme in the region of future gonads to form aggregates of supporting cells called primitive sex cords. The primitive sex cords subsequently invest the germ cells and support their development. The genital ridge mesenchyme containing the primitive sex cords is divided into cortical and medullary regions.

French

Domaine(s)
  • Embryologie
CONT

Peu avant l’arrivée des cellules primordiales dans la crête génitale, l’épithélium coelomique prolifère et envahit le mésenchyme sous-jacent. Les cellules épithéliales se multiplient pour former les cordons sexuels primitifs, qui entourent progressivement les cellules germinales primordiales situées dans le mésenchyme. A ce stade du développement, il est impossible de distinguer la gonade mâle ou femelle, c’est le stade de gonade indifférenciée.

Spanish

Save record 1

Record 2 2004-02-25

English

Subject field(s)
  • Embryology
  • The Genitals
CONT

An embryonic germ cell is derived from fetal tissue. Specifically, they are isolated from the primordial germ cells of the gonadal ridge of the 5 to 10 week fetus. Later in development, the gonadal ridge develops into the testes or ovaries and the primordial germ cells give rise to eggs or sperm.

French

Domaine(s)
  • Embryologie
  • Organes génitaux
CONT

Les gonades se forment à partir des crêtes génitales; ces dernières migrent dans le coelome situé au centre des futurs reins (mésonéphros). Même si le sexe de l'embryon est déjà terminé au moment de la fécondation (à cause des chromosomes sexuels), les cellules des crêtes génitales ne se différencient en testicules et en ovaires qu'à partir de la fin de la huitième semaine du développement embryonnaire.

Spanish

Save record 2

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