What term describes the processes on the humerus?

The term that accurately describes the projections on the humerus is "tubercles." Tubercles are small, rounded projections that serve as points of attachment for muscles and tendons. In the case of the humerus, there are two primary tubercles: the greater tubercle and the lesser tubercle. These structures are crucial for providing leverage and stability for muscle attachments, playing a significant role in the arm's range of motion and strength.

While "processes" is a general term that can refer to any projection of bone, and "tuberosities" typically denote larger, more roughened areas, tubercles specifically refers to the smaller and more distinct projections found on the humerus. Trochanters are larger bony protrusions typically associated with the femur, not the humerus. Therefore, tubercles are the most precise term to describe the specific features on the humerus.