7. Endosteum Medulary Cavity (Yellow Marrow) Arteries Sharpey’s Fibers Periosteum Compact Bone Spongy Bone Compact Bone Articular Cartilage

10. Osteon Lacuna Canaliculus Central Haversian Canal Blood Vessel Perforating Volkmann’s Canal

23. Bone Starting to Replace Cartilage Hyaline Cartilage Model Bone Blood Vessel Hyaline Cartilage Yellow Marrow Cavity Forming New Center of Bone Growth Articular Cartilage Bone Bone Forming Bone forming Epiphyseal plate Growth in Wide Bone Epiphyseal Plate Cartilage forming Plate

31. Internal callus (fibrous tissue and cartilage) Hematoma Internal callus (fibrous tissue and cartilage) Healed fracture Spongy bone trabecula Bony callus of spongy bone