Which is part of pectoral girdle? A Glenoid cavity B Sternum C Ilium D Acetabulum
Correct option is A) A pectoral girdle or shoulder girdle attach the bones of upper limb to the axial skeleton. Each pectoral girdle is formed of two halves. Each half of pectoral girdle consists of a scapula and clavicle. Glenoid cavity is a shallow, pyriform articular surface, which is located on the lateral angle of the scapula. It articulates with the humerus to form the shoulder joint. Hence glenoid cavity is a part of the pectoral girdle. So, the correct answer is 'Glenoid cavity'.