Chapter 3 Cutaneous dry membrane of stratified squamous epithelia and loose connective tissue Mucous mucous membrane of epithelia and areolar tissue Serous produces serous fluid, made of simple squamous epithelia and areolar connective tissue Synovial produces synovial fluid, made of areolar connective tissue, does not contain epithelial tissue Protection Mechanical damage Chemical damage Bacterial damage UV radiation effects Thermal damage Desiccation Thermoregulation Excretion of urea and uric acid Vitamin D synthesis Epidermis Dermis hypodermis Stratum basale (stratum germinativum) Stratum spinosum Stratum granulosum Stratum lucidum Stratum corneum Papillary layer Areolar connective tissue Free nerve endings Meissners corpuscles Reticular layer Irregular connective tissue Blood vessels Pacininan corpuscles Sebaceous glands Sweat glands Sebaceous Sweat Hair Matrix =growth zone Papilla =blood vessels Melanocytes =color Hair follicle Epidermal sheath Medulla Cortex Cuticle Arrector pili Free edge Nail fold Cuticle Nail bed Nail matrix =growth zone Caused by chemical, electrical, heat, UV Rule of Nines Measure of dehydration Body is divided into 11 areas 1 st degree epidermal damage 2 nd degree epidermis and upper dermis 3 rd degree entire thickness of skin Critical Burns 25 % of body =2 nd degree 10% of body =3 rd degree 3 rd degree of face, hands, feet Athletes foot Boils and carbuncles Contact dermatitis Impetigo Psoriasis Basal cell carcinoma Squamous cell carcinoma Malignant melanoma ABCD Rule Asymmetry Border irregularity Color Diameter