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10 Cards in this Set
- Front
- Back
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Definition of Wound |
A breach of the skin's epidermis |
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Layers of the Skin |
1. Epidermis 2. Dermis 3. Subcutaneous |
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Epidermis Layer |
- Outer most layer of skin - Avascular - Thin layer - Function: Protective barrier |
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Dermis Layer |
- Middle layer of skin - Vascular - Function: Transports nutrients to the epidermis - Contains blood and lymphatic vessels, sweat and oil glands, and hair follicles |
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Subcutaneous/Hypodermis Layer |
- Deepest layer of the skin - Binds skin to underlying tissues - Function: Stores fat |
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Types of Wound Healing |
1. Primary intention 2. Secondary intention 3. Tertiary intention |
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Primary Intention |
Union of the edges of a wound Closed with sutures, skin adhesives, staples or clips |
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Secondary Intention |
Occurs when wound's edges cannot be brought together Wound is left open and allowed to heal by contraction and epithelialization Occurs at a slower rate due to tissue loss More susceptible to infection |
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Tertiary Intention |
Known as delayed primary closure Wound intentionally left open - usually closed after a few days once swelling, infection, or bleeding decreased |
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Phases of Wound Healing |
1. Haemostasis 2. Inflammatory phase 3. Proliferation 4. Maturation or remodelling phase |
