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THE SKELETAL SYSTEM . PART I. BONES. Functions: Support & Protection: Movement: Mineral & Fat Storage: Blood Cell Formation:. THE SKELETAL SYSTEM IS MADE UP OF CONNECTIVE TISSUE. Matrix:. Cells:. THE SKELETAL SYSTEM. Bone Tissue Comes in Two Forms: Compact Bone: Spongy Bone:.
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THE SKELETAL SYSTEM PART I
BONES Functions: • Support & Protection: • Movement: • Mineral & Fat Storage: • Blood Cell Formation:
THE SKELETAL SYSTEM IS MADE UP OF CONNECTIVE TISSUE Matrix: Cells:
THE SKELETAL SYSTEM Bone Tissue Comes in Two Forms: • Compact Bone: • Spongy Bone:
ANATOMY OF COMPACT BONE Structural Unit of Compact Bone: • Osteon :
THE SKELETAL SYSTEM Bones Are Dynamic: • There are 206 named bones in an adult human skeleton • Bones look stable and static, but they change throughout life
THE SKELETAL SYSTEM • Ossification:
THE SKELETAL SYSTEM • Bone Remodeling: • Lifelong process of bone deposition & absorption
SKELETAL DISEASES: OSTEOPOROSIS Osteoporosis: A Condition Resulting in
SKELETAL DISEASES: OSTEOPOROSIS Avoiding Osteoporosis:
SKELETAL DISEASES: RICKETS Rickets (children): • Softening/weakening of bones • Results in: • Commonly caused by
SKELTAL DISEASES: OSTEOGENESIS IMPERFECTA Osteogenesis Imperfecta: • Called Fragile/Brittle Bone Disease • Caused by • Enormous range in severity of defects • Severe cases result in • In less severe cases
SKELTAL DISEASES: SPINA BIFIDA Spina Bifida: • Malformation of vertebra • Characterized by
SKELTAL DISEASES: SCOLIOSIS Scoliosis: • Defined as • Most common spinal deformity • Can occur in the: • In many cases, cause is unknown