| Term | Definition |
| long bones | much longer than they are wide, generally has a shaft w/ heads at either end-prodominently composed of compact bone (femur, phalanges) |
| short bones | typically cube shaped-contain more spongy bone than compact bone (tarsals, carpals) |
| flat bones | generally thin w/o two waferlike layers of compact bone sandwiching a layer of spongy bone b/t them-many are curved (skull bones) |
| irregular bones | bones that don't fall into one of the preceding categories (vertebrae) |
| sesamoid bones | special types of short bones formed in tendons (patellas, kneecaps) |
| wormian/sutural bones | tiny bones b/t cranial bones |