Chapter 44 Key Terms

• p. 966: locomotion, hydroxyapatite
  
• p. 967: osteoblasts, osteocytes, lamellae (singular, lamella), Haversion canals, spongy bone tissue, marrow, compact bone tissue, joints (articulations)
  
• p. 968: immovable joints, sutures, fontanels, slightly movable joints, intervertebral discs, cartilaginous joints, freely movable joints (synovial joints), synovial capsule, axial skeleton, appendicular skeleton, cranium, spine (vertebral column), sternum
  
• p. 969: pectoral girdle, pelvic girdle, scapulae (singular, scapula), clavicle, muscle cells
  
• p. 970: skeletal muscles, tendons, origin, insertion, synergists, antagonists, quadriceps
  
• p. 971: hamstrings, muscle fibers, myofibrils, sarcomeres, Z line
  
• p. 972: myofilaments, actin, myosin, cross-bridge
  
• p. 973: rigor mortis, sliding filament mechanism
  
• p. 974: neuromuscular junctions, acetylcholine, sarcolemma, transverse tubules, sarcoplasmic reticulum
  
• p. 975: troponin, tropomyosin, excitation-contraction coupling, twitch, summation, tetanus
  
• p. 976: motor unit, recruitment, isometric, isotonic, oxygen debt, Cori cycle
  
• p. 977: fatigue, cardiac muscle, pacemaker, smooth muscle
  
• p. 978: slow oxidative, fast oxidative, fast glycolytic, myoglobin, hypertrophy, disuse atrophy, dense bodies