about the bones
DESCRIPTION
Presentation Assignment #2: The BonesTRANSCRIPT
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.