development of hindgut (special embryology)
TRANSCRIPT
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Anatomy of Part of Gut Developed from
Hindgut
Dr. Sherif Fahmy
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Anatomy
Dr. Sherif Fahmy
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Dr. Sherif Fahmy
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Rectum
Anal canal
Dr. Sherif Fahmy
![Page 5: Development of Hindgut (Special Embryology)](https://reader036.vdocuments.net/reader036/viewer/2022062316/587f31ca1a28ab121d8b63c1/html5/thumbnails/5.jpg)
Rectum
Anal canal
Dr. Sherif Fahmy
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The Hindgut(Page 89)
Dr. Sherif Fahmy
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Secondary yolk sac before folding
Dr. Sherif Fahmy
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Mesoderm
Hindgut
Midgut
L.S. in folded embryo
Allantois
Cloaca
Cloacal membrane Dr. Sherif Fahmy
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Dr. Sherif Fahmy
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Dr. Sherif Fahmy
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Dr. Sherif Fahmy
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Dr. Sherif Fahmy
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Congenital Anomalies• 1- Imperforate Anus: Failure of
rupture of anal membrane.• 2- Congenital megacolon
(Aganglionic colon or Hirschsprung): Absence of parasympathetic ganglia.• 3- Anorectal or anal agenesis with
or without fistula.• 4- Recto-vesical, recto-uretheral or
recto-vaginal fistula. Dr. Sherif Fahmy
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Dr. Sherif Fahmy
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Dr. Sherif Fahmy
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Dr. Sherif Fahmy