The femur is the thigh bone.
The femur articulates (joins) with the pelvis at the hip joint. At the knee it articulates with the tibia bone and the patella bone.


The ends of the femur are covered with glistening white joint cartilage. At the knee the femur terminates in two rounded 'condyles'with a notch between them - the femoral notch. These condyles articulate with the flattened top of the tibia (tibial plateau) (the tibio-femoral joint).
The femur is concave where it makes contact with the patella (the femoral groove or trochlea) and this articulation is called the patellofemoral joint.
The adjective for femur is 'femoral'.
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