urogenital ridge


urogenital ridge
urogenital ridge n a pair of dorsolateral mesodermal ridges in the vertebrate embryo out of which the urogenital organs are developed

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a longitudinal ridge or fold in the embryo, lateral to the root of the dorsal mesentery, which later subdivides longitudinally into the mesonephric and gonadal ridges.

Medical dictionary. 2011.

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  • 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

  • Urogenital folds — Infobox Embryology Name = Urogenital folds Latin = GraySubject = 252 GrayPage = 1206 Caption = Caption2 = System = CarnegieStage = Precursor = Intermediate mesoderm GivesRiseTo = labia minora, spongy urethra, perineal raphe, penis MeshName =… …   Wikipedia

  • mesonephric ridge — the more lateral portion of the urogenital ridge, which gives rise to the mesonephros …   Medical dictionary

  • 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

  • Definitive urogenital sinus — Urogenital sinus of female human embryo of eight and a half to nine weeks old. (Urogenital sinus labeled at bottom.) …   Wikipedia

  • urinogenital ridge — |yu̇rənō+... noun Etymology: urinogenital from urin + genital : a pair of dorsolateral mesodermal ridges in the vertebrate embryo out of which the urogenital organs are developed …   Useful english dictionary

  • Paramesonephric duct — Urogenital sinus of female human embryo of eight and a half to nine weeks old …   Wikipedia

  • Nephrogenic cord — Latin chorda nephrogenica Precursor intermediate mesoderm, urogenital ridge Code TE E5.6.2.0.0.0.3 The nephrogenic cord is a portion of the urogenital ridge which is the source of much of the urinary system …   Wikipedia

  • Ligament — A ligament is a tough band of connective tissue that connects various structures such as two bones. Ligament is a fitting term; it comes from the Latin ligare meaning to bind or tie. * * * 1. A band or sheet of fibrous tissue connecting two or… …   Medical dictionary

  • fold — 1. A ridge or margin apparently formed by the doubling back of a lamina. SYN: plica. 2. In the embryo, a transient elevation or reduplication of tissue in the form of a lamina …   Medical dictionary