Development Animation - Urogenital Septum

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Urogenital_septum_001 icon.jpg</wikiflv>
  • Initially the cloaca forms a common urinary, genital, GIT space
  • This is divided by formation of a septum into anterior urinary and dorsal rectal
    • superior - Tourneux fold
    • lateral - Rathke folds
  • septum fuses with cloacal membrane before it commences to degenerate.
  • hindgut - distal third transverse colon, descending and sigmoid colon, rectum.
  • anal pit - distal third of anorectal canal (ectodermal)

Links: MP4 version | Urogenital Septum Movie | Urogenital Sinus Movie | Renal System Development | Genital System Development

Source: UNSW Embryology Thanks to the late Prof William Larsen for allowing permission to use animations based on images from his textbook. (More? movie technical information)

Links: Movies Page | Category:Movies

Cite this page: Hill, M.A. (2019, August 17) Embryology Development Animation - Urogenital Septum. Retrieved from

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© Dr Mark Hill 2019, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G