Skeletal System

• Long bones


  Bones that are found in the arms and legs
• Diaphysis


  The shaft or central part of a long bone.
• Epiphysis


  The enlarged ends of a lone bone
• Short bones


  Bones that are found in the wrists and ankles

  • Equal in length and width
• Flat bones


  Bones that are found in the ribs, sternum, shoulder, blades, and hip bones
• Irregular bones


  Bones that are found in the spine and include vertebrae

  • Has variety of shapes and are not symmetrical
• Compact bone


  Bones that are HARD OUTER LAYER of bone that provides protection and support
• Spongy bone


  A porous, lightweight bone that is found at the ENDS OF LONG BONE
• Cancellous bone


  A type of spongy bone that contains MANY SMALL CAVITIES
• Trabecular bone


  A type of spongy bone that has a HONEYCOMB-LIKE structure
• Brittle bone disease (osteogenesis imperfecta)


  This results from a MUTATION IN THE GENE that codes for collagen

  • A disease that causes bones to be fragile and break easily