about the bones
DESCRIPTION
Presentation Assignment #2: The BonesTRANSCRIPT
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All About BonesBy Megan Moran
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What do bones do?All the bones in the
body together are called a skeletonSkeleton
provides:Support for the
human bodyProtection of
organs
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Oste/o = BoneEach bone =
individual organ!Bones are alive!
Bone CellsOsteoprogenitor cells
Undifferentiated bone cells that develop into osteoblasts
OsteoblastsImmature bone cells
Osteocytesmature bone cells
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Classification of Bones Shape:
Long BonesShort BonesFlat Bones Irregular Bones
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Long BonesComponents:
Greater length than width
Examples:HumerusFemur
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Short BonesComponents:
Wider than long
Examples:Carpals of wristTarsals of ankle
Carpals of the Wrist
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Flat Bones
Components:Plate-shaped
Examples:ScapulaSternumBones of Skull
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Irregular BonesComponents:
Shapes of bones differs from other classifications
Examples:Vertebrae
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Divisions of the Skeleton Axial Skeleton
Bones in:Head NeckSpineTrunk
Create central axis for entire body
Protect important organs
Appendicular Skeleton Consists of:
Pectoral girdleLower extremitiesUpper extremitiesPelvic Girdle
Mainly responsible for movement of the body
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Divisions of the Skeleton
Green = Axial Skeleton
Purple = Appendicular Skeleton
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Common Bone PathologyFractures
Sarcoma (bone cancer)
Osteoporosis
Osteomalacia
Paget’s Disease
Rickets
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Injuries to Spinal ColumnSpina Bifida
Spondylosis
Whiplash
Scoliosis
Herniated Nucleus Pulposus
Herniated disc
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Who treats the bones? Orthopedics
=specializing in musculoskeletal system
Podiatrist = specializing in feet and lower legs
Chiropractor = specializing treatment of spine
Prosthetics = specializing in making artificial body parts
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ReferencesFremgen, Bonnie F., and Suzanne S. Frucht.
Medical Terminology: A Living Language. Upper Saddle River, NJ: Pearson Prentice Hall, 2009. Print.
Marieb, Elaine N., and Katja Hoen. Human Anatomy & Physiology. Boston, MA: Pearson Learning Solutions, 2010. Print.