"Genouillère, middle of 13th century. An articulated piece forming a part of the jambe or of the cuissart in the fourteenth century, and later furnished with large wings which projected backward on each side of the knee-joint." -Whitney, 1911

Genouillère

"Genouillère, middle of 13th century. An articulated piece forming a part of the jambe or of…

The knee joint, which consists of three articulations in one.

Knee Joint

The knee joint, which consists of three articulations in one.

The knee joint, which consists of three articulations in one.

Knee Joint

The knee joint, which consists of three articulations in one.

A knee joint cut open from behind to show the ligaments.

Knee Joint

A knee joint cut open from behind to show the ligaments.

The knee joint. Labels: h, the patella; f, the tendon.

The Knee Joint

The knee joint. Labels: h, the patella; f, the tendon.

Epiphyseal lines in the neighborhood of the knee joint and their relationship to the synovial membrane.

Epiphyseal lines in the Knee Joint

Epiphyseal lines in the neighborhood of the knee joint and their relationship to the synovial membrane.

A frontal section through the right knee joint of a boy. Seen from behind.

Frontal Section Through Knee Joint

A frontal section through the right knee joint of a boy. Seen from behind.

A sagittal section through the right knee joint of a boy. Seen from the outer side.

Sagittal Section Through Knee Joint

A sagittal section through the right knee joint of a boy. Seen from the outer side.

Transverse section of the knee joint through the center of the patella. Labels: a, Bursa patellae; b, internal lateral ligament and inner condyle; c, external lateral ligament and outer condyle; d, biceps; e, semimembranosus; f, semitendinosus; g, gracilis tendon; h, sartorius. 1, internal popliteal nerve; 2, external popliteal nerve; 3, internal saphenous vein.

Transverse Section of the Knee Joint

Transverse section of the knee joint through the center of the patella. Labels: a, Bursa patellae; b,…

A vertical section of the knee joint. Labels: femur; 3, patella; 2, 4, ligaments of the patella; 5, tibia; 6, cartilage of the tibia; 12, cartilage of the membrane.

Vertical Section of the Knee Joint

A vertical section of the knee joint. Labels: femur; 3, patella; 2, 4, ligaments of the patella; 5,…

Vertical section of knee joint distended with fluid. Labels: a, Vastus externus; b, crureus; c, short head, and d, long head of biceps; e, plantaris; f, gastrocnemius; g, popliteus; h, soleus; i, tibialis posticus; j, bursa patellae; k, ligamentum patellae; l, ligamentum mucosum; m, anterior crucial ligament; n, external semilunar cartilage. 1, external popliteal nerve; 2, popliteal artery.

Vertical Section of the Knee Joint

Vertical section of knee joint distended with fluid. Labels: a, Vastus externus; b, crureus; c, short…