Monday, September 8, 2014

Gastroschisis vs Omphalocele mnemonic

Gastroschisis and Omphalocele 
There are two main types of abdominal wall defects: omphalocele and gastroschisis.

Gastroschisis is a defect in the abdominal wall, usually to the right of the umbilical cord, through which the large and small intestines protrude (although other organs may sometimes bulge out). There is no overlying sac covering the exposed organs in gastroschisis and the size of the defect is usually less than 4 centimetres.

Omphalocele is an opening in the center of the abdominal wall where the umbilical cord meets the abdomen. Organs (typically the intestines, stomach, and liver) protrude through the opening into the umbilical cord and are covered by the same protective membrane that covers the umbilical cord. With omphalocele the defect is usually much larger than in gastroschisis.


  1. Helpful for my embryology exams coming up this month..

  2. Nicely presented . Very helpful.

  3. Ikan, I'm unable to visualise the embryological development! Gone through several books,videos, but all in vain! I am unable to undestand the development of gut tube..theoritically i have understood but the has two views in books....mid sagital and transverse... in tranverse there is hollow tubular gut tube is shown and in midsagital view gut tube with persistent yolk sac...joined with the gut tube by vitelline duct...I can't relate both of them!! please helpp.....

    1. Try going to the anatomy lab and seeing the specimens / models. Maybe you'll be able to visualize it better?

      I had lots of trouble with Embryology before. But once you get older, you understand it better.. So be patient with yourself.

      Good luck! And lemme know if you need anything else!

  4. Unfortunately this is not accurate- both have peritoneum, only omphalocele has a covering of amnion

  5. Kindly correct the info. Was scolded on my viva for saying this.


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