The phrase "appendicular skeleton" refers to the bones that make up the arms, legs, shoulders, and hips. It does not include the bones of the skull, spine, and ribcage. Full definition
Osteosarcoma tumors of the appendicular skeleton (long bones of the limbs) are locally invasive and have a high rate of metastases (most commonly lungs and other bones). (cvm.ncsu.edu)
In a study performed at Utrecht University, 100 cats — arriving at the clinic for unrelated and varied issues — had their appendicular skeleton radiographed. (todaysveterinarynurse.com)
Specifically, it occurs in five of the long bones of the appendicular skeleton: the humerus, radius, and ulna of the foreleg, and the femur and tibia of the hind limb. (siriusdog.com)