Integumentray Word Scramble
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| Term | Definition |
| integumentary system | Composed of the skin and its accessory organs (hair, nails, and glands) |
| Protection | The skin the covers the body and acts as a physical barrier that protects underlying tissues from physical damage, ultraviolet rays, and pathogenic invasion |
| Body termperature maintenance | Skin that contains sweat glands that secrete fluids in the form of perspiration to help regulate internal temps |
| Excretion | small amounts of waste products (water, salt and organic compounds) that are flushed out of sweat glands during perspiration |
| Perception of stimuli | skin that contains large amounts of nerve endings and receptors that detect stimuli related to touch, pressure, and pain |
| Epidermis | forms the outer most layer of skin |
| Epithelial tissue | layers the epidermis is divided into- composed of densely packed cells |
| Mucous membrane | specialized type of epithelial tissue- protectivey lines any body cavity that opens to the outside world (ex nasal passage) |
| Keratin | fibrous water- repellant protein - primary subsains for epidermis also found in nails |
| Melanocytes | specialized cells that produce and contains dark-to-black pigments called melanin |
| Melanin | responsible for skins pigmentation or color, helps protect skin against ultraviolet rays of the sun |
| Stratified squamous epithelium | terms means arranged in scaly layers - these cells are always shed and replaced by new cells underneath them |
| Basal layer | deepest layer of epidermis, always multiplying as young cells push old cells t o the surface |
| Dermis | lies below epidermis- made up of connective tissue, blood, lymphatic vessels, nerve fibers, hair follicles and sebaceous and sweat glands |
| Sebum | oily substance |
| Hair follicles | tiny secretory cavities from which hair grows |
| Collagen | fibrous protein found in skin, bone, cartilage, tendons, and ligaments - give skin it;s shape, strength, and elasticity (Greek origin) |
| Subcutaneous layer | deepest layer of the skin- connects the skin to the surface muscles and composed of lipocytes |
| Lipocytes | cells that manufactures and store fat- provides eat and protection |
| Gland | cell of group of cells that secretes select substances within of our of the body |
| Sebaceous glands | located in the dermal layer- tony glands that secrets oily substances called sebum |
| Lipids | group of organic compounds that consist of fats - lubricate skin and minimize water loss |
| Sweat glands | tiny coil glands in dermis secretes sweat through pores |
| Perspiration | sweat- cools the body |
| Hair shaft | where each strand of hair grows from a root of a follicle |
| arrector pili | bundles of very small muscle fibers - erect when frithened causing goose bumps |
| Nail plate | hard translucent part of the nail |
| Cuticle | narrow band of epidermal tissue attached to surface of the nail |
| Nail root | area of dermis where nail rests |
| Lunula | semilunar white area as the proximal end of the nail |
| Corticosteroid | used to treat skin conditions relates to autoimmune disease ex; eczema |
| Immunosuppressant | drug used to treat certain conditions by suppressing immune system, |
| Nails | made up of hard keratin |
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