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Dr. ANAND SRINIVASAN 5 Dec 2011.  Students at the end of the class should be able to :  Understand and explain the rotation of midgut and its clinical.

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Presentation on theme: "Dr. ANAND SRINIVASAN 5 Dec 2011.  Students at the end of the class should be able to :  Understand and explain the rotation of midgut and its clinical."— Presentation transcript:

1 Dr. ANAND SRINIVASAN 5 Dec 2011

2  Students at the end of the class should be able to :  Understand and explain the rotation of midgut and its clinical correlates  Formation, derivatives of hindgut and its clinical correlates

3  Communicates with yolk sac – Vitelline duct  Supplied by – Superior mesesteric A.  Formation of ‘primary intestinal loop’  Physiological umbilical herniation

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5  Rotation of Midgut  Counterclockwise rotation – 90 ° °  Retraction of herniated loops  Cecal bud – last to enter abdominal cavity  Distal end of cecal bud – Appendix

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7 SURVIVAL RATES

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14  Distal 1/3 of transverse colon – upper part of anal canal  Hind gut – Cloacal membrane  Allantois – Primitive urogenital sinus  Formation of ‘Urorectal septum’

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18  Ectoderm part – proctodeum  Cloacal membrane (Anal membrane)  Pectinate line

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21  LANGMAN’S MEDICAL EMBRYOLOGY – 11 th edition  CHAPTER 14 – Digestive system Pgs. 223 – 233


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