The femur is the thigh bone.

femur from front

The femur from the front.

rounded condyles of femur

 

The rounded femoral condyles within the knee joint.

components of the femur in the knee joint

 

Key components of the femur within the knee joint.

 

Anatomy of the femur in the knee joint

Only the lower  (distal) end of the femur forms part of the knee joint. Together with the plateau of the tibia, the bony ends are encased by the knee capsule so that the joint is water-tight.

Synonyms: 
thighbone
-

Knee anatomy intro

This page offers a quick overview of key anatomical structures of the knee joint.

Knee bones from above

Simple illustrations to give a birds' eye view of the knee bones.

Knee bones from side

Bony anatomy of the knee, in simple terminology.

The bones of the knee

Brief introduction to the bony anatomy of the knee, with clear illustrations.

-