gonadal ridge

gonadal ridge
an elevation of thickened mesothelium and underlying mesenchyme on the ventromedial border of the embryonic mesonephros; the primordial germ cells become embedded in it, establishing it as the primordium of the ovary or testis. Called also genital r. or fold.

Medical dictionary. 2011.

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  • Gonadal ridge — Infobox Embryology Name = PAGENAME Latin = GraySubject = 252 GrayPage = 1207 Caption = Section of the fold in the mesonephros of a chick embryo of the fourth day. ( Genital ridge labeled at left.) Caption2 = System = CarnegieStage = Precursor =… …   Wikipedia

  • ridge — 1. A (usually rough) linear elevation. SEE ALSO: crest. 2. In dentistry, any linear elevation on the surface of a tooth. 3. The remainder of the alveolar process and its soft …   Medical dictionary

  • XX gonadal dysgenesis — Infobox Disease Name = PAGENAME Caption = DiseasesDB = ICD10 = ICD9 = ICDO = OMIM = 233300 OMIM mult = XX gonadal dysgenesis OMIM2|233400 Perrault syndrome OMIM2|306100 Swyer syndrome MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID =… …   Wikipedia

  • genital ridge — n a ridge of embryonic mesoblast developing from the mesonephros and giving rise to the gonad on either side of the body * * * gonadal r …   Medical dictionary

  • urogenital ridge — n a pair of dorsolateral mesodermal ridges in the vertebrate embryo out of which the urogenital organs are developed * * * a longitudinal ridge or fold in the embryo, lateral to the root of the dorsal mesentery, which later subdivides… …   Medical dictionary

  • genital ridge — (ARTHROPODA: Insecta) In embryology, thickenings of the viseral (splanchnic) wall of the mesoderm in the abdominal region of the body in which the gonadal rudiments lie …   Dictionary of invertebrate zoology

  • genital fold — gonadal ridge …   Medical dictionary

  • Development of the gonads — 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… …   Wikipedia

  • reproductive system, animal — Introduction       any of the organ systems by which animals reproduce.       The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… …   Universalium

  • Development of the reproductive system — The development of the reproductive system is a part of prenatal development, and concerns the sex organs. It is a part of the stages of sexual differentiation. Because its location to a large extent overlaps the urinary system, the development… …   Wikipedia

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