THE INTEGUMENTARY SYSTEM BURNS SKIN CANCER

Layers of the Skin Epidermis  Stratum Corneum  Stratum Lucidum  Stratum Granulosum  Stratum Spinosum  Stratum Basale Dermis  Contains nerve ending, blood vessels, oil and sweat glands, hair follicles  Papillary & Reticular Layers

Black - Hypodermis Blue - Dermis  Green Arrow – Reticular Layer  Red Arrow – Papillary layer White - Epidermis

Epidermis Green – Corneum Red – Lucidum White – Granulosum Yellow - Spinosum

Hair

Nails

Sweat Glands Eccrine – Red  Most common  Ducts extend to skin surface Apocrine – Blue  Ducts empty into Hair Follicles

Skin Colors Erythema - redness Pallor - pale Jaundice - yellow Bruises – intracellular blood Hematomas – large amounts of blood Yellow/Brown – due to carotene and melanin

Skin Abnormalities Epidermis & dermis  Callus  Blister  Stretch marks Derivatives  Whiteheads  Blackheads  Acne  Seborrhea

Skin Abnormalities Infections & Allergies  Athlete’s foot - fungus  Cold sores – herpes virus  Contact dermatitis (poison ivy, etc)  Impetigo – Staph infection  Psoriasis – unknown etiology  Decubitus ulcers – “bed sores”  Warts – viral infection of stratum basale  Vitiligo – Michael Jackson  Albinism – inherited inability to make melanin

BURNS

Currently classified as  Partial Thickness  Full Thickness

FIRST DEGREE BURN  Damage of Stratum Germinativum  Mild redness and pain

SECOND DEGREE BURN

THIRD DEGREE BURN

SKIN CANCER Squamous Cell Carcinoma Basal Cell Carcinoma Melanoma

MELANOMA ABCD’s

MELANOMA