part of part of femur diaphysis diaphysis of femur http://upload.wikimedia.org/wikipedia/commons/2/2b/Gray244.png corpus femoris EMAPA:37538 Wikipedia:Body_of_femur femoral diaphysis femoral shaft NCIT:C96209 SCTID:182048009 A diaphysis that is part of a femur[Automatically generated definition]. shaft of femur FMA:32847 UBERON:0006862 MA:0003055 The body of the femur (or shaft), almost cylindrical in form, is a little broader above than in the center, broadest and somewhat flattened from before backward below. It is slightly arched, so as to be convex in front, and concave behind, where it is strengthened by a prominent longitudinal ridge, the linea aspera. It presents for examination three borders, separating three surfaces. Of the borders, one, the linea aspera, is posterior, one is medial, and the other, lateral[Wikipedia:Body_of_femur]. body of femur