| A | B |
|---|
| appendicular skeleton | bones that form the appendages to the axial skeleton |
| axial skeleton | bones that make up the head, neck,and torso |
| cranium | bones of the skull that make up the brain case |
| fontanel | unossified area in an infants skull |
| pelvic girdle | group of bones that forms a stable base for the trunk and connects the legs to the trunk |
| shoulder girdle | portion of skeleton wher the upper extremity joins the trunk |
| sinus | mucosa-lined, air-filled cavity found inside some cranial bones |
| suture | an immovable joint |
| thorax | chest |
| vertebra | one of the bones that make up the spinal column |
