... Ossification of the Bones1 Ossification center in the head of the femur 2 Greater trochanter 3 Head of the femur 4 Neck of the femur The ossification of the bones of the limbs starts within the ... great variety of muscles. The architecture of the muscles depends on the functionalsystems in which they are involved, i.e., the kind of move-ments, the form of the joints with their specific ... lines of orienta-tion are used, e.g., the parasternal line, the midclavicularline, the anterior axillary line, the umbilical-pelvic line.By means of these lines, the heart and the position of the vermiform...