Orthodiagram of the Thorax Small 320×198 Medium 640×395 Large 1024×632 Download Tiff Original 2400×1482 | (738.4 KB) Description Orthodiagram of the thorax. The position of parts is shown in extreme inspiration; the position of the diaphragm and liver in expiration is also shown. Keywords expiration, Inspiration, thorax Galleries Human Skeletal System Source: Treves, Frederick Surgical Applied Anatomy (New York, NY: Cassell and Company, LTD, 1922)