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Integumentary | skin,gland,hair, nails |
Epidermis | outer layer of skin stratifed squamous epithelium keratin |
Keratin | tough water repellent of protein |
Dermis | inner layer dense conn tissue is thick and deep contains both collagenous and elastic fibers contains nerves(sensory receptors)that detect change in the environment |
Striae | stretch marks, located in the dermis |
Subcutaneous layer | underlying structure that anchors the 2 layers. adipose layer is here |
Dermis also known as | Stratum Corium |
Subcutaneous also known as | hypodermis or superficial fascia |
Skin Color is made up of | genetic, physiologic, environmental |
Melanin | Dark pigment that is the basic skin color |
Ablinism | inability to produce Melanin |
Cartoen | Yellowish pigment |
Epidermal Derivates | Hair,Nails,Glands,Sebum, and sweat |
hair | nearly all body surfaces |
Nails | thin plates of dead skin |
Glands (2 glands) | Sebaceous: hair Sweat Glands: Secrete sebum |
Sebum | oily secretion |
Sweat is known as | Sudoriferous |
2 types of sweat glands | Merocrine Ceruminous |
Merocrine | sweat glands on the skin |
2 types of Merocrine | Merocrine:create sweat Apocrine: create body odor |
Ceruminous | are modified sweat glands that are found in the external auditory canal |
cerumen | oily,sticky substance |
Functions of the Skin | protection sensory reception regulation of body synthesis of Vitamin D |
Burn | tissue damage that results from heat, certain chemicals, radiation or electricity |