Patella of age. Due to the great stress on the patellofemoral joint during resisted knee flexion, the articular cartilage of the patella is among the thickest in the human body. The lower part of the posterior surface has vascular canaliculi filled and is filled by fatty tissue, the infrapatellar fat pad. Emarginations (i.e. "patella emarginata", a "missing piece") are common laterally on the proximal edge. Bipartite patellas are the result of an ossification of a second cartilaginous layer at the location of an emargination. Previously, bipartite patellas were explained as the failure of several ossification centres to fuse, but this idea
The Body (Buffy the Vampire Slayer) and Dawn. She asks why her clothes are stupid and she is childish, weeping until Tara kisses and calms her. Anya asks Xander what she is supposed to do; he cannot answer. Willow changes her shirt again and Xander expresses his desire to find Glory and exact justice, then complains about Joyce's negligent doctors. Anya asks if they will see the body, then if the body will be cut open, and Willow responds angrily. Anya tearfully says she does not understand how to behave, or why Joyce cannot go back into her own body, unable to understand human death, she