Patella has been rejected. Partite patellas occur almost exclusively in men. Tripartite and even multipartite patellas occur. The upper three-quarters of the patella articulates with the femur and is subdivided into a medial and a lateral facet by a vertical ledge which varies in shape. Four main types of articular surface can be distinguished: In the patella an ossification centre develops at the age of 3–6 years. The patella originates from two centres of ossification which unite when fully formed. The primary functional role of the patella is knee extension. The patella increases the leverage that the quadriceps tendon can exert
Errors of the Human Body screening, Sheean himself said, "The film is about a breakdown in communication, both on the surface in the characters and internally with the cells." Errors of the Human Body Errors of the Human Body is a 2012 psychological thriller directed by Eron Sheean and starring Michael Eklund. Dr. Geoff Burton (Eklund), a brilliant genetics researcher, is invited to a lab in Dresden, only to discover a lethal virus is being created, which he may have unintentionally caused and be its first victim. This mystery is set against Dr. Burton trying to find redemption and peace from a past haunted by