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  • 1985-1989
  • 1980-1984  (1)
  • Genital impression  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Archives of gynecology and obstetrics 229 (1980), S. 207-217 
    ISSN: 1432-0711
    Keywords: Weibliche Genitalembryologie ; Genitalabdruck ; Viszeroplastik ; Female genital embryology ; Genital impression ; Visceroplastic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Contrary to current opinion, the fetal vagina is not a solid plate. Already at the 14th week of gestation, the urethra, vagina, uterus, and Fallopian tubes have a lumen which can be identified by means of the intravaginal injection of rapidly setting silicon liquid. However, after the 26th week of gestation the injected substance fills the vagina but does not enter the cervical canal. This is probably due to functional plugging of the endocervical canal by the secretory activity of its epithelium. Silicon plastic moulds of the vaginal vault consistently show a circular groove separating the middle from the upper third of the vagina. This groove could be the line of fusion between the mesodermal Mullerian ducts and the urogenital sinus.
    Notes: Zusammenfassung Entgegen der bisherigen Vorstellung ist die fetale Vagina keine solide Platte. Nach Ausguß mit einer Silikonmasse stellen sich schon in der 14. Fetalwoche Urethra, Rektum, Vagina, Uterus und beide Tuben als Hohlräume dar (Viszeroplastik). Jedoch bereits vor der 26. Fetalwoche füllt sich die Vagina vorwiegend infolge der „abdichtenden“ sekretorischen Aktivität des unteren Zervixdrüsenfeldes nur noch bis zur Portio. Die Viszeroplastiken zeigen im Übergang vom mittleren zum oberen Vaginaldrittel immer eine Furche, die der Fusionsstelle zwischen Müllerschem Mesoderm und Sinus-Endoderm entsprechen dürfte.
    Type of Medium: Electronic Resource
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