SKELETAL SYSTEM

Principles of Medical Science

FUNCTIONS OF SKELETON Support & Shape to ______ Protection of ______ Makes _______ possible Production of _______

DIVISION OF SKELETON

Axial Skeleton Appendicular Skeleton

Skull Cranium Face

Vertebral Column Thorax

Ribs Sternum

Upper extremities Shoulder girdle, arms,

hands Lower extremities

Hip girdle, legs, and feet

PARTS OF BONE Diaphysis Epiphysis Periosteum Endosteum Medullary Canal Red Marrow Yellow Marrow

BONE INJURIES Simple Fracture

Bone is broken, without _______ wound.

AKA: closed fracture

Compound FractureBone is broken, skin and soft

tissue _____, which increases the chance of ______

BONE INJURIES Greenstick Fracture

Incomplete break in which bone is partially _____ or partially ______

Spiral FractureBone _____ resulting in one or more breaks

BONE INJURIES

Comminuted Bone _____ or ______ into more than two

pieces

ImpactedBroken bones ends ____ into each other

DISLOCATIONS Displacement of bone from its normal

position in a joint; ligaments may be torn and stretched

BONE DISORDERS AND DISEASE Arthritis

Inflammation of bones at _______

Bursitis

Inflammation of the bursa (a sac or cavity filled with _____ fluid)

BONE DISORDERS AND DISEASE Kyphosis

Increase in the ______ of the spine results in hunchbacked appearance

Lordosis

Exaggerated inward curvature in the ______ region of the spinal column

BONE DISORDERS AND DISEASE Osteomyelitis

Inflammation of bone

Rickets

Failure of bones to ______ sufficiently, hampering growth

BONE DISORDERS AND DISEASE Scoliosis

Side-to-side ______ of the spine

Sprain

Injury to _______ resulting from wrenching of a joint