It's bone shape. I don't know what to call it, but the upper part of the shaft is triangular and lower is a bit more cylindrical.
The femur is the largest bone in the body and is the basis for our thigh. I hope this link helps you visualize the bone because I am unable to perfectly describe it for you. :)
My Mums vagina.
circular
The femur or thigh bone is the largest and strongest bone in the body. The sides of the bone are the left and right lateral aspect of the femur.
The femur, the thigh bone
The thigh bone is called as femur. It is the architectural marvel.
The Femur in the ThighThe femur is the longest bone in the human body; it is located in the thigh. It is also known as the thigh bone (Femur is the technical word).
The largest bone in your body is the Femur
long bone
The femur is the biggest bone in the body and is known as the thigh bone in common terms. The humerus is the bone that is attached to The scapula by the glenohumeral joint.
In humans, femur is the longest and largest bone. It is one of the two strongest bones in the body, along with the temporal bone of the skull.
The femur or thigh bone is the largest and strongest bone in the body. The sides of the bone are the left and right lateral aspect of the femur.
The femur, the thigh bone
The thigh bone is called as femur. It is the architectural marvel.
The femur bone is the single bone in your thigh.
The Femur in the ThighThe femur is the longest bone in the human body; it is located in the thigh. It is also known as the thigh bone (Femur is the technical word).
The femur is a long bone.
Femur.
The largest bone in your body is the Femur
Your thigh bone, the longest bone in your body