Labels:text | skeleton OCR: Reprinted with permission from Resident and Staff Physician (c) 1991-92, 1993 by Romaine Pierson Publishers, Inc. Periosteum- Compact Bone Spongy Bone Marrow- Osteoblast Osteocyte Head Osteoclast. -Femur Calcified- Shaft Intercellular Substance Osteoporosis/ Replacement Absorbed Systemic Calcium Resident and Staff Physician Patient Education Chart Released Calcium Resorption