the skin

The SkinBy

Peprah Apenteng

• Definition of skin: It is the largest organ of the body.

Layers of the skin.

• Epidermis: It is the outermost area and composed of epithelial cells. The Epidermis consist of four or five distinctive layers.

• Dermis: underlying layer and composed mainly of fibrous connective tissue. The Dermis has two layer- the papillary and the reticular

• Extreme stretching of the skin can tear the dermis commonly called “stretch marks”

Layers of the Epidermis

Layers of the Dermis

Functions of the skin.

• Body temperature regulation.• Excrete toxic substance from the body.• Sensory response (touch, heat, cold and etc.)• Formation of vitamin.• Protection against diseases.• Blood reservoir.

• The study of the skin is called dermatology.• Physician of the skin called Dermatologist.

Chronic skin conditions

• Dermatitis: Inflammation of the skin.

• Eczema: Inflammation of the of the skin causing an itchy rash.

• Psoriasis: A skin disease marked by red, itchy, scaly patches.

• Rosacea: Condition in which certain facial blood vessels enlarge

• Acne: the occurance of inflamed or infected sebaceous glands

Skin Injuries

• Blisters• Bruises• Burn• Cuts• Scrapes• Sunburn

Skin Cancer

• Melanoma: Cause by over exposure to UV-light. Common treatment is by surgery to remove the melanoma.

• Nonmelanoma: Consist of the Squamous cell cancer and the Basal cell cancer.

Cancer Prevention.

• Try to stay out of the sun during middle of the day.

• Use protective clothes.• Use sunscreen.• Avoid excessive sunbath and tanning.

Reference

• www.pamf.org.• www.medicinenet.com• http://dynamicnaturesite.blogspot.com/

2009/07/skin-care-study-of-skin-structure.html

• http://www.dermnetnz.info/immune/dermatitis-herpetiformis.html

• http://www.medicinenet.com/script/main/art.asp?articlekey=107517