1. TOONLANAT THUANTHONG THE SKELETAL SYSTEM

3. Functions of The Skeletal system Support body weight Enable movement Protect vital organs Point of attachment for muscles Storage of minerals

4. Bones Classifications By region Axial Skeleton Skull Vertebrae Ribs Sternum Appendicular Skeleton Upper extremities Lower extremities

5. Bones Classifications By shape

7. Harversian system Compact bone

10. Bone marrow Red bone marrow Yellow bone marrow – Fat cell

11. Microscopic Structure of Bone

12. Bone development or growth Intramembranous ossification –formation of cranial bones of the skull and the clavicles –An ossification center appears –Bone matrix is secreted within the fibrous membrane

13. Bone development or growth Endochondral ossification –Uses hyaline cartilage “bones” as models for bone construction –Formation begins at the primary ossification center

16. Bone repair

19. SKULL Frontal Mandible

20. Parietal Temporal Frontal Occipital Mandible

21. Occipital Parietal Temporal

22. Occipital

23. Fontanelle -Anterior fontanelle จะปิดสนิท เมื่ออายุ 12-18 เดือน -Posterior fontanelle ปิดเมื่อ อายุประมาณ 2 เดือน

24. Vertebral Column 7 Cervical 12 Thoracic 5 Lumbar 1 Sacrum 1 Coccyx

27. Sacrum

28. Sternum

29. Ribs True ribs - 1 st - 7 th ribs False ribs - 8 th - 10 th ribs Floating ribs - 11 th - 12 th ribs

30. Scapula

31. Humerus Ulna Radius

32. Carpal bone

34. Pelvis symphysis Pubis

36. Sex Determination

37. Femur Tibia Fibula

38. Patella

40. joints Classification of joints – Fibrous joints Suture Syndesmosis – Cartilaginous joints Synchondrosis Symphysis – Synovial joints Gliding joint Hinge joint Pivot joint Ellipsoidal joint/ condylar joint

41. Fibrous joints

42. Cartilaginous joints

43. Synovial joints

45. Humerus

46. Scapula

47. Foramen magnum

48. Mandible

49. Frontal bone

50. Carpal bone Metacarpal bone

51. Sacrum

52. Clavicle

53. 1 2 3 4 5