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Concept
Genitourinary system
Résumé
The genitourinary system, or urogenital system, are the organs of the reproductive system and the urinary system. These are grouped together because of their proximity to each other, their common embryological origin and the use of common pathways, like the male urethra. Also, because of their proximity, the systems are sometimes imaged together.
The term "apparatus urogenitalis" was used in Nomina Anatomica (under Splanchnologia) but is not used in the current Terminologia Anatomica.
Development of the urinary system and Development of the reproductive system
The urinary and reproductive organs are developed from the intermediate mesoderm. The permanent organs of the adult are preceded by a set of structures that are purely embryonic and that, with the exception of the ducts, disappear almost entirely before the end of fetal life. These embryonic structures are on either side: the pronephros, the mesonephros and the metanephros of the kidney, and the Wolffian and Müllerian ducts of the sex organ. The pronephros disappears very early; the structural elements of the mesonephros mostly degenerate, but the gonad is developed in their place, with which the Wolffian duct remains as the duct in males, and the Müllerian as that of the female. Some of the tubules of the mesonephros form part of the permanent kidney.
Disorders of the genitourinary system includes a range of disorders from those that are asymptomatic to those that manifest an array of signs and symptoms. Causes for these disorders include congenital anomalies, infectious diseases, trauma, or conditions that secondarily involve the urinary structure.
To gain access to the body, pathogens can penetrate mucous membranes lining the genitourinary tract.
Urogenital malformations include:
Hypospadias
Epispadias
Labial fusion
Varicocele
As a medical specialty, genitourinary pathology is the subspecialty of surgical pathology which deals with the diagnosis and characterization of neoplastic and non-neoplastic diseases of the urinary tract, male genital tract and testes.
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Concepts associés (10)
Development of the urinary system
The development of the urinary system begins during prenatal development, and relates to the development of the urogenital system – both the organs of the urinary system and the sex organs of the reproductive system. The development continues as a part of sexual differentiation. The urinary and reproductive organs are developed from the intermediate mesoderm. The permanent organs of the adult are preceded by a set of structures which are purely embryonic, and which with the exception of the ducts disappear almost entirely before birth.
Kidney development
Kidney development, or nephrogenesis, describes the embryologic origins of the kidney, a major organ in the urinary system. This article covers a 3 part developmental process that is observed in most reptiles, birds and mammals, including humans. Nephrogenesis is often considered in the broader context of the development of the urinary and reproductive organs. The development of the kidney proceeds through a series of successive phases, each marked by the development of a more advanced kidney: the archinephros, pronephros, mesonephros, and metanephros.
Canal de Müller
vignette|Schéma des canaux de Müller Les canaux de Müller – aussi appelés canaux ou conduits paramésonéphrotiques – constituent, avec les canaux de Wolff, les voies génitales doubles de l'embryon lors du stade indifférencié du développement de l'appareil génital des mammifères. On utilise aussi les termes de système müllerien et système wolffien. Chez l'humain, la différenciation a lieu entre la après la fécondation pour les femmes et à la 7eme semaine pour les hommes.