Structure-Function.org

Scapula, Left

1. Acromion
2. Spine
3. Supraspinous fossa
4. Infraspinos fossa
5. Infraglenoid tubercle
6. Glenoid fossa
1. Glenohumeral joint with head of humerus
7. Coracoid process
8. Supraglenoid tubercle

1. Superior border
2. Superior angle
3. Medial (vertebral) border)
4. Inferior angle
5. Lateral (axiallary) border

Note the broad, triangular-shape of this flat bone defined by angles/borders 1-5.

Feature B helps you determine that you are observing the posterior aspect of this bone and will help you determine its side (left or right) if you recall that marking F faces laterally.