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Bone Fracture Injury (Anatomy of long bones from cell to organ level…
Bone Fracture Injury
Anatomy of long bones from cell to organ level
Osteocyte
Maintains bone tissue
Osteoblast
Forms bone matrix
Osteogenic Cell
Stem cell
Osteoclast
Resorbs bone
How bones form, grow, and remodel
Grow
The cartilage model of bone forms
Ossification begins at first primary ossification center
Ossification occurs at secondary ossification
Medullary cavity forms
Ossification meets at epiphyseal plates
Remodel
Bone is resorbed and replaced with new bone
Bone remodeling is carried out through work of osteoclasts.
Form
Osteiod is laid down
Inorganic salts are deposited in osteiod
Cartilage cells die out and replaced with osteoblasts
Downstream Effects
Age of kid
12 year old boy
Location of the break
Ulna/Radius is broken
Part of bone in upper arm appears to be protruding skin/dislocation
Diet
Never eats healthy/eats junk food.
Doesn't consume dairy and dairy is good for bones
Calcium is good for bones because it enables blood to clot and muscles to contract
3 Bone Fractures
Simple bone fracture
Doesn't surround tissues or ligaments
Comminuted bone fracture
Break or splinter of bone in two places
Open bone fracture
Interaction and breakage of the skin
Upstream Cause
Direct cause
The boy was running and fell on his arm
Indirect cause
Child is lactose intolerant
Fragments of bone in the wound
He is missing calcium and protein in his diet
Raw materials needed for bone growth and repair
Vitamins
Protein
Greens
Background Information
Stages of bone healing
Reaction
IInflammation
Granulation tissue formation
Repair
Cartilage callus formation
Lamellar bone deposition
Remodeling
Location and role of epiphyseal plate
Location
Located in metaphysis at ends of each long bone
Role
Responsible for longitudinal growth
Is the area of growth in a long bone