Final answer:
The scapula is a triangular bone on the posterior side of the pectoral girdle that connects the upper limb to the clavicle. It has several important landmarks, including the superior, medial, and lateral borders, the suprascapular notch, the superior and inferior angles, and the glenoid cavity. These landmarks are important for muscle attachment and shoulder and upper limb movement.
Step-by-step explanation:
The scapula, also known as the shoulder blade, is a triangular bone located on the posterior side of the pectoral girdle. It connects the upper limb to the clavicle and contributes to the formation of the shoulder joint. The scapula has several important landmarks, including the superior, medial, and lateral borders, the suprascapular notch, the superior and inferior angles, and the glenoid cavity. These landmarks play key roles in muscle attachment and shoulder and upper limb movement.