UNIT 3: SKIN
1. Acne is a chronic papular and pustular eruption of the skin with increased production of sebum.
- Causes: hormonal changes, certain medications, diet, stress,…
- Symptoms: whitehead, blackhead, painfull, pus-filled lumps under the skin,…
- Treatment: have medical treatment form doctor, clean your skin gently with a mild, non drying soap
2. Eczema (atopic dermatitis): Inflammatory skin disease with erythematous, papulovesicular, or papulosquamous lesions.
3. Nevus (birthmark) a colored skin lesion present at birth.
4. Burns: injury to tissues caused by heat contact.
5. An abrasion ( also called a graze or a scratch ) is a superficial ( surface ) injury involving only the epidermis, which has been removed by friction.
6. A contusion ( also called a bruise ) is an injury that occurs when blood vessels in the skin are damaged.
7. A laceration ( also called a tear ) is a wound involving both the dermis and epidermis. It is usually distinguished from penetrating or incised wounds by its irregular edges and relative lack of bleeding.
8. An incised wound ( also called a cut) is a break in the skin where the length of the wound on the surface is greater than the depth of the wound.
9. Stab wound ( caused by a knife) is the depth of a penetrating wound.
10. Sore is a popular term for many types of skin lesions, especially infected lesions.
11. A pressure sore is a skin ulcer caused by pressure, for example the pressure of lying in bed for a long period ( also known as bedsore or decubitus ulcer ).
12. A cold sore is a lesion caused by herpes simplex
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