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
The commonest anatomical position of appendix is 
Select and explain. 
A. Retrocaecal, B. Pelvic, C. Paracaecal, D. Preileal
A: Retrocaecal
Answer: A: Retrocaecal 
Explanation: A. i.e. Retrocaecal- Vermiform appendix develops from midgut loops, is supplied by appendicular branch of ileocolic aery. It has mesoappendix (mesentery) but no teniaMost common posiion of vermiform appendix is retrocecal (12 o'clock = 65%) followed by pelvic or 4 o'clock positions