about the bones

All About BonesBy Megan Moran

What do bones do?All the bones in the

body together are called a skeletonSkeleton

provides:Support for the

human bodyProtection of

organs

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

Classification of Bones Shape:

Long BonesShort BonesFlat Bones Irregular Bones

Long BonesComponents:

Greater length than width

Examples:HumerusFemur

Short BonesComponents:

Wider than long

Examples:Carpals of wristTarsals of ankle

Carpals of the Wrist

Flat Bones

Components:Plate-shaped

Examples:ScapulaSternumBones of Skull

Irregular BonesComponents:

Shapes of bones differs from other classifications

Examples:Vertebrae

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

Divisions of the Skeleton

Green = Axial Skeleton

Purple = Appendicular Skeleton

Common Bone PathologyFractures

Sarcoma (bone cancer)

Osteoporosis

Osteomalacia

Paget’s Disease

Rickets

Injuries to Spinal ColumnSpina Bifida

Spondylosis

Whiplash

Scoliosis

Herniated Nucleus Pulposus

Herniated disc

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

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.