This bone is commonly called the collar bone. Each clavicle is a long slender bone with two curvatures. The clavicle articulates with this.īelow the acromion is a depression called the glenoid cavity which articulates with the head of the humerus to form the shoulder joint. The dorsal, flat, triangular body of scapula has a slightly elevated ridge called the spine which projects as a flat, expanded process called the acromion. Scapula is a large triangular flat bone situated in the dorsal part of the thorax between the second and the seventh ribs. Pectoral GirdleĮach half of pectoral girdle consists of a clavicle and a scapula. Pectoral and Pelvic girdle bones help in the articulation of the upper and the lower limbs respectively with the axial skeleton. A cup shaped bone called patella cover the knee ventrally (knee cap). Femur (thigh bone – the longest bone), tibia and fibula, tarsals (ankle bones – 7 in number), metatarsals (5 in number) and phalanges (digits – 14 in number) are the bones of the legs (hind limb).
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