Caudal aspect of the right knee joint in Loxodonta africana. Muscles, fasciae, joint capsule removed. cm: medial condyle of femur, cl: lateral condyle of femur, PCL: Lig. cruciatum caudale, mf: Lig. meniscofemorale, ml: Meniscus lateralis, ll: Lig. collaterale laterale, rp: synovial recess of the Art. femorotibialis for the M. popliteus, cf: Caput fibulae.