Final answer:
The inferior angle of the scapula is where the medial and lateral borders meet, important for muscle attachment, while the glenoid cavity is between the superior and lateral borders, creating the shoulder joint socket. The acromion connects with the clavicle. The suprascapular notch and lateral border are other anatomical features of the scapula.
Step-by-step explanation:
The inferior angle of the scapula is a significant anatomical landmark located at the junction between the medial and lateral borders of the scapula. This angle is the lowest part of the scapula and serves as the attachment point for several muscles that facilitate shoulder and arm movements. Another crucial landmark is the glenoid cavity (also, glenoid fossa), which is a shallow depression between the superior and lateral borders of the scapula. It forms the socket part of the shoulder joint by articulating with the humerus. The acromion is a projection extending laterally from the spine of the scapula, creating the acromioclavicular joint with the clavicle, and allowing for muscle attachments. The suprascapular notch is a small indentation medial to the coracoid process on the superior border, through which the suprascapular nerve passes. Lastly, the lateral border is one of the three main edges of the scapula, extending from the glenoid cavity inferiorly to the inferior angle of the scapula.