intertrochanteric line
http://purl.obolibrary.org/obo/UBERON_0013634
The intertrochanteric line (or spiral line of the femur) is a line located on the anterior side of the proximal end of the femur that stretches between the lesser trochanter and the greater trochanter forming the base of the neck of the femur, roughly following the direction of the shaft of the femur. [ http://en.wikipedia.org/wiki/Intertrochanteric_line ]