A typical adult human skeleton consists of the following 206 bones. (Numbers in bold refer to the diagram at right.)
In the skull (22):
- Cranial bones:
- Facial bones:
In the middle ears (6):
In the throat (1):
In the shoulder girdle (4):
In the thorax (25):
In the vertebral column (24):
In the arms (6):
In the hands (54):
- Wrist (carpal) bones:
- Palm or metacarpal bones:
- Finger bones or phalanges:
In the pelvis (4):
In the legs (8):
- 17. head and 18. shaft of femur (2)
- 22. greater trochanter of femur
- 23. condyles of femur
- 19. patella (2)
- 20. shaft and 24. tuberosity of tibia (2)
- 21. fibula (2)
In the feet (52):
- Ankle (tarsal) bones:
- Instep bones:
- Toe bones:
The infant skeleton has the following bones in addition to those above:
- sacral vertebrae (4 or 5), which fuse in adults to form the sacrum
- coccygeal vertebrae (3 to 5), which fuse in adults to form the coccyx
- ilium, ischium and pubis , which fuse in adults to form the pelvic girdle