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: Anatomy
Which of the following peritoneal recesses is constantly present in infants but disappears with age - 
Select and explain. 
A. Intersigmoid recess, B. Superior ileocecal recess, C. Inferior ileocecal, D. Superior duodenal recess
A: Intersigmoid recess
Answer: A: Intersigmoid recess 
Explanation: Intersigmoid recess is constantly present in the foetus and in early infancy but may disappear with age.