the upper, nearly horizontal border of the scapula between the superior angle and the scapular notch.
Lateral (Axillary) Border
The long, obliquely slanting border of the scapula between the inferior angle and the region of the glenoid cavity. It is adjacent to the arm pit.
Medial (vertebral) border
the long, nearly vertial border of the scapula between the superior and inferior angles. It is adjacent to the vertebral column
The junction of the superior and medial borders
the junction of the medial (vertebral) and lateral (axillary) borders
a slightly abstract region. the region of the scapula in the vicinity of the glenoid cavity or the point where the superior and lateral (axillry) borders of the scapula would intersect. (This angle is also called the acromial or external angle)