Introduction to the Skeletal System 1.List and describe the 5 functions of the skeletal system 2.List the 4 types of bones, give an example of each. 3.Long Bones: label the long bone in your packet. a. Define/describe each of the parts of the long bone Diaphysis Medullary cavity Epiphyses Articular cartilage Periosteum Endosteum 4. Differentiate between compact bone and spongy bone 5. Looking at the microscopic structure of bone (in your packet too), define/describe: Trabeculae Osteon (haversian system) Lamella Central canal Lacunae Canaliculi 6. What are cartilage cells called? 7. What are the 2 types of bone cells (osteocytes) called and what do they do? 8. What is endochondral ossification? 9. What does it mean if you have a epiphyseal plate? Epiphyseal line?