This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Persistence of distal part of vitello intertimal duct is 
Select and explain. 
A. Meckel's diverticulum, B. Raspberry tumour, C. Peritoneal mice, D. None of the above
B: Raspberry tumour
Answer: B: Raspberry tumour 
Explanation: Respberry tumour :

It is persistence of distal part of vitello - intestinal duct.
Also called as Umbilical adenoma.