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Dermatology - Notes
NHTC 5 Dermatology - Notes
Term | Meaning |
---|---|
dermatology | study of the skin and skin diseases |
dermatologist | physician specializing in the study of the skin and diagnoses and treatment of skin diseases |
integumentary system | formed by the skin and its accessory structures |
integumentary system | works w/other body systems to control body termperature & protects the body |
skin parts | epidermis (layer 1), dermis (layer2) , subcutaneous tissue (layer 3), accessory structures |
skin layers | 1-epidermis, 2-dermis, 3-subcutaneous |
epidermis | outer protective layer of the skin, melanocytes found in epidermis; provide protective barrier to ultraviolet radiation in sunlight |
dermis | inner layer of skin under epidermis consisting of connective tissue, blood and lymph vessels, nerve endings, oil & sweat glands and hair follicles |
subcutaneous tissue | located beneath the dermis, connective tissue layer that binds dermis to underlying structures, adipose tissue found in subcutaneous layer |
accessory structures | glands (sudoriferous & subaceous), hair & nails |