Appendix — Positions, Blood Supply & Surface Marking

The vermiform appendix is a narrow, worm-like blind diverticulum arising from the posteromedial wall of the caecum. Its clinical importance vastly outweighs its physiological role: appendicitis is the commonest surgical abdominal emergency, and its presentation is dictated almost entirely by the position of the appendix and the end-artery nature of its blood supply. This topic is a recurring NEET PG anatomy–surgery c…