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Bone & Tissue Injury

QuestionAnswer
Acute/Inflammatory Phase 1st phase of bone healing; bleeding occurs at the injury site
Repair & Regeneration Phase 2nd phase of bone healing; osteocytes work to support the bone. A callus forms along the fracture site closing the bone structure. Usually takes 4-6 weeks.
Remodeling Phase 3rd phase of bone healing; can take up to a year or more. Osteocytes work to replace the immature, calcified area with a more bone-like structure.
Incision Precise even cut
Laceration Cut involving more tearing of the skin, irregular in shape
Avulsion Tissue is torn away
Puncture A hole is pierced in the skin; very little bleeding
Neuron Nerve cell
Afferent Neuron Sensory nerve
Efferent Neuron Motor nerve
Nerve Healing VERY SLOW PROCESS; if nerve is completely severed no healing will occur - new pathways must be created.
Myelin Sheath Protective covering on the axon which has an electrical charge
Axon Nerve signal pathway; connects nerve cell to dendrites
Hyperesthesia Heightened sensation
Hypoesthesia Lowered sensation
Paraesthesia Temporary, partial or transient loss of sensation
Created by: morrisplatte