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Bone Structure

The human skeleton consists of more than 200 bones (206 named). These can be divided into two categories; axial skeleton and appendicular skeleton. The axial skeleton includes the bones of the head, of the vertebral column, and the breastbone (sternum). The appendicular skeleton refers to all the extremities, upper and lower.




  • The Cranial Bones

  1. Parietal bones (2)
  2. Temporal bones (2)
  3. Frontal bone
  4. Occipital bone
  5. Sphenoid bone
  6. Ethmoid bone

  • The Facial Bones

  1. Maxilla (2)
  2. Zygomatic (2)
  3. Mandible (1)
  4. Nasal (2)
  5. Platine (2)
  6. Inferior nasal concha (2)
  7. Lacrimal (2)
  8. Vomer (1)

  • The Vertebral Column Bones (Vertebrae)

  1. Cervical (7)
  2. Thoracic (12)
  3. Lumbar (5)
  4. Sacral (5)
  5. Coccygeal (4)

  • Arm Bones

  1. Humerus
  2. Radius
  3. Ulna

  • Leg Bones

  1. Femur
  2. Patella
  3. Tibia
  4. Fibula

  • Foot Bones

  1. Tarsal (7)
  2. Metatarsal (5)
  3. Phalanges (14)

  • Hand Bones

  1. Metacarpals (5)
  2. Phalanges (14)
  3. Sesamoid (4)

  • Sources

    • inner body/interactive guide to the skeletal system
    • Healthline/Skeletal System Overview