Femur

The femur or thigh bone is the longest, most voluminous and and strongest bone of the human body. The femur consists of a head and a neck proximally, a diaphysis (or shaft), and two condyles distally. It articulates with the acetabulum, the articular cup on the pelvis (hipbone), superiorly, and with the tibia and patella inferiorly. It forms part of the hip and part of the knee.

Related Topics:
Bone - Diaphysis - Condyle - Acetabulum - Pelvis - Tibia - Patella - Hip - Knee

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The femur's head forms a ball-and-socket joint at the hip. The condyles at the knee form a condylar joint.

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Other proximal features of the bone include the greater trochanter and the lesser trochanter, two bony projections that allow muscles to attach. Posteriorly the gluteal tuberosity is a rough surface that gluteus maximus attaches to. Beneath this, the linea aspera runs down the back of the femur, which also provides an attachment for the biceps femoris muscle.

Related Topics:
Greater trochanter - Lesser trochanter - Muscle - Gluteal tuberosity - Gluteus maximus - Linea aspera

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The medial and lateral condyles on the distal end, are bumps that fit into corresponding articular facets on the tibia. The gap between the two condyles is called the intercondylar fossa (or notch). Above the femoral condyles are the medial and lateral epicondyles, above the medial epicondyle is the adductor tubercle.

Related Topics:
Medial and lateral condyles - Tibia - Intercondylar fossa - Epicondyle - Adductor tubercle

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Parallel structure by the same name exist in other complex animals, such as the bone inside a ham or a leg of lamb.

Related Topics:
Ham - Leg of lamb

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