THE CLINICAL ANATOMY OF THE DIAPHRAGM
THE MYSTERY OF SOUND(TMS) Seminar Written by Ukiri Prosper May 18th TMS Seminar Material Title: The clinical anatomy of the diaphragm Introduction The diaphragm is a musculo-tendinous structure lying transversely between the thoracic cavity and the abdominal cavity. It extends from the 7 th to the 11 th thoracic vertebra(T7-T11). Embryology It develops from four structures in fetal life. These are: 1. Septum transversum 2. Mesenchyme from the C3-C5 segments. 3. Mesentery of the oesophagus. 4. Two pleuroperitoneal membranes, embryonic sheets covering the primitive openings between thorax and abdomen. Structure It is domed-shaped in the living body. The diaphragm is composed of a central tendon and peripherally arranged muscular fibers. The muscles form the crura of the diaphragm. There are basically two crura, the right and the left crura, formed from the mesentery of the oesophagus...