Medical Terminology Review

Derm/o- skin Derm/a - skin Kerat/o- hard, horn-shaped tissue; cornea Xer/o- dry Xanth/o - yellow Erythr/o - red Pedicu/o- fingernail or toneail Onych/o - nail Myc/o - fungus Pil/o - hair; hair follicle Lip/o - fat Albin/o - white Rhytid- wrinkle Functions- Skin- Protection- covers body and acts as a physical barrier Body temperature maintenance - perspiration (regulate body internal temperature) Excretion - during perspiration sweat glands flush small amounts of waste products Perception of stimuli - skin contains a large number of nerve endings and receptors that detect stimuli related to temperature, touch, pressure, and pain Vocab- 1.) Gland- cell, or a group of cells that secretes select substances within or out of the body 2.) Sebaceous glands - located in the dermal layer of the skin over the entire body except palms and soles. Sebaceous glands secret an oily substance called sebum, which contains lipids. 3.) Epidermis- forms the outermost layer of skin and is made up of keratin ( a fibrous water repellent protein). 4.) Dermis -lies directly below the epidermis. The dermis is made up of connective tissue, blood and lymphatic tissue, nerve fibers, fair follicles, and sebaceous and sweat glands. 5.) Collagen- a fibrous protein found in skin, bone, cartilage, and tendons.

6.) ​subcutaneous layer - is the deepest layer of the skin and below the dermis. This layer connects the skin to surface muscles. 7.) Lipid- a group of organic compounds taht consists of fat, are greasy to touch, and are insoluble. Lipids librate the skin and and minizme water loss. 8.) Melanin- is responsible for the skin pigmentation or color. 9.)Hair follicles - are tiny secretory cavities where hair grows. 10.) Basal layer - makes up the deepest layer of the epidermis. The layer is constantly growing and and multpiying, with younger cells pushing old cells to the surface. Diseases + Disorder - 1. Acne - in​ flammatory disorder of the sebacous glands that produces pimples on the skin 2. Keloid- An abnormally raised, thickened scar 3. Albinism- An inherited condition that prevents the normal production of melanin, resulting in extremely pale skin and white hair 4. Psoriasis- chronic disease marked by itch, erythematous skin with silvery patches. 5. Tinea- skin infection caused by fungus 6. Ulcer- A open sore/ erosion of the skin lining of the mucous membrane 7. Wart- a small, hard, benign skin growth caused by a virus usually b a papillomavirus 8. Autograft- surgical transition of tissue from one part of a patients body to another part of the same body 9. Cauterization - destruction of tissue through the application of heat, cold, or an electrical current 10. Mohs Surgery - Surgical method of treating skin cancer. Thin tumerous layers are successively removed and examined under microscope

11.Antifungal- drug used to fight off fungal infections, such as athletes foot and ringworm 12.Corticosteroid- drug used to treat skin conditions link to autoimmune disease 13.Liposuction- use of suction during surgery to remove fat below the skin