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Skin
| Term | Description |
|---|---|
| callus | thicker epidermis on the palms and soles |
| paronychia | hangnail around fingernail |
| eczema | atopic dermatitis |
| pilomotor | smooth muscle attached to each hair follicle |
| apocrine sweat gland | activated by sweat and emotion |
| epidermal cells | have been converted to keratin on the nails |
| sweat glands | helps maintain hemeostasis of fluids and electrolytes and body temp |
| ceruminious gland | sweat gland located in the external ear |
| hair follicle | is the cavity that contains the hair |
| epithelial tissue | keratin is a tough protein substance in this tissue |
| hair | protects the eyes, ears by keeping out the dust and insects |
| sodoriferous | sweat glands |
| mitosis | takes place in nail root,hair root, stratum germinativum |
| elastin | fibers are able to recoil after being stretched |
| cerumen | wax like soft brown secretion found in the external canal of the ear |
| sweat gland location | palms, soles, axillae |
| grey | lost pigmentation in hair |
| reticular layer | network of interlacing cells and fibers |
| 3000 | how many sweat glands in a sq. inch |
| arterioles | small arteries responsible in maintaining of body temp |
| superficial fascia | subcutaneous tissue |
| keratinocytes | abundant cells with no capillaries present between them |
| half an inch | hair grows about how much a month |
| false | the greater the deposits of melanin the lighter the skin |
| subungual | area situated under the nail |
| papillary layer | uneven junction of the dermis with the epidermis |
| hair shaft | the only visable part of the hair |
| cutaneous membrane | the largest organ of the body |
| sebaceous glands | keeps hair supple and skin soft and pliant |
| superficial fascia | subcutaneous tissue |
| collagen fibers | the protien that gives the dermis its stregth |
| fibroblast | cells that produce collagen and elastin |
| free nerve endings | pain heat and cold receptors |
| encapsulated neve endings | receptors for touch and preasure |
| stratum corneum/ epidermis | nonvascular nonsenstive,outer layer of skin |
| reticular layer | layer that is vascular and sensitive |
| dermatology | study of the skin,it structure,andfunctions,diseases |
| lumen | space within a tube ,artery,vein,intestine |
| 4 layers, 5 layers | layers of skin, except on feet and palms |
| papillary layer | creates footprints and fingerprints |
| hair follicle | a boil or furruncle is an infection of the |
| statum lucidem | translucent/clear layer in soles and palms |
| st. spinosum | prickly cell layer of irregulary shaped cells |
| st.germinative | basal layer, bottom layer wher columar shaped cells under go mitosis pushing old cells upward |
| st.corneum | top layer where dead cells conformed into keratin flake off |
| st. granulosum | granular layer wherecells die and granules are present in the cytoplasm |
| papillary and reticular | 2 layers of dermis |
| papillary layer | elevated into tiny projections and hollows |
| integument | somthing that covers or encloses as an enveloping layer of skin or membrane |