NCS2101 Lecture Notes - Lecture 4: Pus, Erythema, Peripheral Neuropathy
NCS2101 Adult Health Activity
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Wound terminology
Terminology
Meaning
Epidermis
Outer most layer of skin. Regenerates every 28-30 days (paper cuts)
Dermis
Second layer of skin.
Subcutaneous
Fatty tissue layer beneath dermis
Protection
Temperature regulation
Sensation
Vitamin production
Primary wound healing
Healing where wound margins neatly approximated (Surgical incision, paper cut)
Secondary wound healing
Healing and granulation from: edges inwards and bottom upwards until filled
Tertiary wound healing
Occurs with delayed suturing of wound after infection where two layers of tissue are sutured together
Skin graft
Skin flap
Surgical relocation of skin and underlying structures
Inflammatory phase
Proliferation phase
Maturation phase
Remodelling phase
Laceration
Produced by cutting of skin or injury by object
Skin tear
Tear or slash of skin or injury by object
Venous ulcer
Veins and venules. Irregular or partial thickness
Arterial ulcer
Arteries and arterioles. Lesions punched out
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