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COS CH07
| Term | Definition |
|---|---|
| Acne | Also known as acne vulgaris; skin disorder characterized by chronic inflammation of the sebaceous glands from retained secretions and Propionibacterium acnes (P. acnes) bacteria. |
| Arrector pili muscles | Small |
| Callus | Thickening of the skin caused by continued |
| Collagen | Fibrous protein that gives the skin form and strength. |
| Open Comedo | Also known blackhead; hair follicle filled with keratin and sebum. |
| Dermal papillae (singular; dermal papilla) | Small |
| Dermatologist | Physician who specializes in diseases and disorders of the skin |
| Dermatology | Medical branch of science that deals with the study of skin and its nature |
| Dermis | Also known as derma |
| Elastin | Protein base similar to collagen that forms elastic tissue. |
| Epidermal-dermal junction | The top of the papillary layer where it joins the epidermis. |
| Epidermis | Outermost and thinnest layer of the skin; it is made up of five layers; stratum corneum |
| Esthetician | A specialist in the cleansing |
| Eumelanin | A type of melanin that is dark brown to black in color. People with dark-colored skin mostly produce eumelanin. There are two types of melanin; the other type is pheomelanin. |
| Keratin | Fibrous protein of cells that is also the principal component of hair and nails. |
| Melanin | Tiny grains of pigment (coloring matter) that are produced by melanocytes and deposited into cells in the stratum germinativum layer of the epidermis and in the papillary layers of the dermis. There are two types of melanin- pheomelanin |
| Melanocytes | Cells that produce the dark skin pigment called melanin. |
| Motor nerve fibers | Fibers of the motor nerves that are distributed to the arrector pili muscles attached to hair follicles. Motor nerves carry impulses from the brain to the muscles. |
| Papillary layer | Outer layer of the dermis |
| Papule | Also known as pimple; small elevation on the skin that contains no fluid but may develop pus. |
| Pheomelanin | A type of melanin that is red to yellow in color. People with light-colored skin mostly produce pheomelanin. There are two types of melanin; the other is eumelanin. |
| Propionibacteruim acnes | Abbreviated P. acnes; technical term for acne bacteria. |
| Pustule | Raised |
| Reticular layer | Deeper layer of the dermis that supplies the skin with oxygen and nutrients; contains fat cells |
| Sebaceous glands | Also known as oil glands; glands connected to hair follicles. Sebum is the fatty or oily secretion of the sebaceous glands. |
| Sebum | A fatty or oily secretion that lubricates the skin and preserves the softness of the hair. |
| Secretory coil | Coiled base of the sudoriferous (sweat) gland. |
| Secretory nerve fibers | Fibers of the secretory nerve that are distributed to the sudoriferous glands and sebaceous glands. Secretory nerves |
| Sensory nerve fibers | Fibers of the sensory nerves that react to heat |
| Stratum corneum | Also known as horny layer; outer layer of the epidermis. |
| Stratum germinativum | Also known as basal cell layer; deepest |
| Stratum granulosum | Also known as granular layer; layer of the epidermis composes of cells that look like granules and are filled with keratin; replaces cells shed from the stratum corneum. |
| Stratum lucidum | Clear |
| Stratum spinosum | The spiny layer just above the stratum germinativum layer. |
| Subcutaneous tissue | Also known as adipose or subcutis tissue; fatty tissue found below the dermis that gives smoothness and contour to the body |
| Sudoriferous glands | Also known as sweat glands; excrete perspiration and detoxify the body by excreting excess salt and unwanted chemicals. |
| Tactile corpuscles | Small epidermal structures with nerve endings that are sensitive to touch and pressure. |
| Vitamin A | Supports the overall health of the skin; aids in the health |
| Vitamin C | An important substance needed for proper repair of the skin and tissues; promotes the production of collagen in the skin's dermal tissues; aids in and promotes the skin's healing process. |
| Vitamin D | Enables the body to properly absorb and use calcium |
| Vitamin E | Helps protect the skin from the harmful effects of the sun's UV light. |
| acne vulgaris | Also known as acne; a skin disorder characterized by chronic inflammation of the sebaceous glands from retained secretions and bacteria known as Propionibacterium acnes (P. acnes) bacteria. |
| barrier function | The complex of lipids between the cells that keep the skin moist by preventing water evaporation |
| Broad Spectrum Sunscreen | Means that the sunscreen product has been shown to protect against both UV-A and UV-B radiation of the sun. |
| Closed Comedo | Also known as whitehead; a follicle impacted with dead cells and solidified sebum |
| Pimple | Also known as papule; small elevation on the skin that contains no fluid but may develop pus. |
| Sweat Glands | They excrete perspiration and detoxify the body by excreting excess salt and unwanted chemicals. |
Created by:
cvis
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