Femur the medial, gives attachment to the fibular collateral ligament of the knee-joint. The femur develops from the limb buds as a result of interactions between the ectoderm and the underlying mesoderm, formation occurs roughly around the fourth week of development. By the sixth week of development, the first hyaline cartilage model of the femur is formed by chondrocytes. Endochondral ossification begins by the end of the embryonic period and primary ossification centers are present in all long bones of the limbs, including the femur, by the 12th week of development. The hindlimb development lags behind forelimb development by 1–2 days.
Tibia (video game) "Tibia". Once a character has reached level 8 it can leave Rookgaard, through the Island of Destiny, for the mainland. Once a character leaves Rookgaard it can never return, unless it is lowered to level 5. If this happens characters are completely reset. After the summer update of 2008 two new areas were added to Rookgaard, a tutorial island, and a vocation island. When Tibia was released in 1997, there was only one city and that one city was called "Tibia". Since the addition of other cities, the city of "Tibia" was renamed "Thais", and the name "Tibia" has since