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BodySys1-Integ Path
Medical Terminology
Term | Definition |
---|---|
immune system | the body’s components that help protect it from disease |
autoimmune disease | a disease in which the immune system mistakenly perceives healthy cells as a threat and responds defensively |
genetic | passed down from parents to children |
topical | applied to the surface of the skin |
UV rays | high-frequency waves of light that are not visible to the human eye |
fungi | a diverse group of organisms that includes yeasts, molds, and mushrooms |
epithelial cells | the flat cells that comprise the outermost layer of the skin |
sebum | an oily substance produced by sebaceous glands to protect skin and hair |
sebaceous glands | structures that produce sebum and that are found in hair follicles |
hair follicle | the small cavities from which hair grows |
nail plate | another name for the actual finger or toenail |
nail groove | the border between the nail and skin |
nail matrix | the tissue at the base of the nail from which the nail originates |
eponychium | the cuticle of the nail |
lunula | the crescent-shaped white portion on the base of the nail |
rash | a change in skin color, texture, or overall appearance |
dermatitis | a rash with inflammation |
acne | a dermatitis caused by blocked hair follicles where an overproduction of sebum results in swelling, inflammation, and often infection by skin bacteria |
pimples | small elevations on the skin that may contain pus |
plaque | an itchy red patch of skin with a dry, scaly surface |
psoriasis | a dermatitis with a genetic predisposition and several types |
plaque psoriasis | the most common type of psoriasis, characterized by |
scalp ringworm | also known as tinea capitis, a fungal infection that is highly contagious and common among children |
tinea capitis | also known as scalp ringworm, a fungal infection of the scalp that is highly contagious and common among children |
basal cell carcinoma | the most common skin cancer, originating in the stratum basale, which is the deepest epidermal layer |
squamous cell carcinoma | a cancer involving epithelial cells, which are the cells found on the surface of the skin |
melanoma | a cancer of the skin’s pigment-producing cells |
sunburn | a type of burn caused by overexposure to ultraviolet (UV) rays from the sun or other light sources |
first-degree burn | a burn that occurs on the surface of the skin and causes redness, inflammation, pain, and sloughing |
second-degree burn | a burn that affects the deeper layers of the skin and causes fluid-filled blisters, pain, and inflammation |
third-degree burn | a deep burn that destroys all of the layers of the skin |
onychia | inflammation of the nail matrix |
paronychia | inflammation and infection along the sides of the nail |
folliculitis | an infection of hair follicles |
head lice | tiny insects that live on the skin covering the top of the head |
alopecia | hair loss |
alopecia areata | spot baldness, with a genetic and autoimmune basis |
male-pattern baldness | a type of alopecia, having a genetic basis and being caused by changes that affect the hair follicle |
hirsutism | the excessive growth of hair on women in parts of the body where hair does not normally grow |
chemotherapy | a therapeutic method used to treat cancers with chemicals |
phototherapy | a therapeutic method that uses UV radiation for treating cancerous cells |
radiation therapy | a therapeutic method that kills cancerous cells |
antifungal medication | medication that stops the growth of fungi |
retinoid | medication that normalizes the hair follicle, often used to treat acne |
skin grafting | a surgical process that involves a thin layer of healthy skin being harvested from a healthy area and applied to a diseased area, often used in burn treatment |