KNEE JOINT IN SECTION

 

(ANTERIOR  PORTION  REMOVED)

Hole in proximal part of femur diaphysis = medullary cavity

 

Space between femur and tibia = synovial (joint) cavity

 

Red = red marrow in cavities of spongy bone

 

Blue = articular cartilage

 

Gray = medial and lateral menisci

 

White = synovial membranes

 

Lighter green = tibial (medial) and fibular (lateral) collateral ligaments

 

Darker green = tendon of semimembranosis muscle