| Term | Definition |
|---|
| albinism | is a form of hypopigmentary congenital disorder, characterized by a partial or total of melanin pigment in the eyes, skin and hair, or more rarely in the eyes alone and results from inheritance of recessive alleles |
| alopecia | is the medical description of the loss of hair from the head or body, sometimes to the extent of baldness |
| anhidrosis | a lack of sweating and may be characterized by underactivity of the sympathetic nervous system. Antimuscarinic drugs may cause lack of sweating due to the innervation of sweat glands by muscarinic acetylcholine receptors. |
| causalgia | also know as complex regional pain syndrome, it is a chronic progressive disease characterized by severe pain, swelling and changes in the skin. It has been categorized into two types based on the nerve lesion following the injury |
| collagen | is the main protein of connective tissue in animals and the most abundant protein in mammals |
| cuticle | is any of a variety of tough but flexible, non-mineral outer coverings of an organism, or part of an organism, that provide protection. They are non-homologous, differing in their origin, structure and chemical composition. |
| dermabrasion | is a cosmetic medical procedure in which the surface of the epidermis of the skin (the stratum corneum) is removed by abrasion (sanding). It is used to remove sun-damaged skin and to remove or lessen scars and dark spots on the skin |
| dermatomycosis | An infection of the skin caused by dermatophytes or other fungi. a superficial fungal infection of the skin, characteristically found on parts that are moist and protected by clothing, such as the groin or feet |
| erythematous | is redness of the skin caused by capillary congestion. It can be caused by infection, massage, electrical treatment, acne medication, allergies, exercise, solar radiation (sunburn), cutaneous radiation syndrome, or waxing and plucking of the hairs — any of which can cause the capillaries to dilate, resulting in redness. |
| keratosis | is a growth of keratin on the skin |
| leukoplakia | is adherent white plaques or patches on the mucous membranes of the oral cavity, including the tongue |
| lipoma | is a benign tumor composed of fatty tissue |
| lunula | is the crescent-shaped whitish area of the bed of a fingernail or toenail. |
| melanin | is a class of compounds found in the plant, animal, and protista kingdoms, where it serves predominantly as a pigment |
| onycholysis | refers to the detachment of the nail from the nail bed, starting at its distal and/or lateral attachment |
| paronychia | a nail disease that is an often-tender bacterial or fungal hand infection where the nail and skin meet at the side or the base of a finger or toenail. |
| pilosebaceous | of or relating to a hair follicle and its sebaceous gland |
| seborrheic dermatitis | is a skin disorder affecting the scalp, face, and trunk causing scaly, flaky, itchy, red skin. It particularly affects the sebum-gland rich areas of skin. |
| subungual | Under the nail |
| xeroderma | is a condition involving the integumentary system, which in most cases can safely be treated with emollients and/or moisturizers. |
| acne | a common skin condition, caused by changes in the pilosebaceous units, skin structures consisting of a hair follicle and its associated sebaceous gland via androgen stimulation. |
| basal cell carcinoma | is the most common of all types of skin cancer. Although it is considered a malignancy, it rarely metastasizes or kills |
| bullae | is a small pocket of fluid within the upper layers of the skin, typically caused by forceful rubbing (friction), burning, freezing, chemical exposure or infection. |
| callus | is an especially toughened area of skin which has become relatively thick and hard in response to repeated friction, pressure or other irritation. |
| cicatrix | are areas of fibrous tissue that replace normal skin (or other tissue) after injury, resulting from the biological process of wound repair. |
| decubitus ulcer | lesions caused by many factors such as: unrelieved pressure; friction; humidity; shearing forces; temperature; age; continence and medication; to any part of the body, especially portions over bony or cartilaginous areas such as sacrum, elbows, knees, ankles etc. |
| ecchymoses | The passage of blood from ruptured blood vessels into subcutaneous tissue, marked by a purple discoloration of the skin. |
| eczema | - a form of dermatitis or inflammation of the epidermis. |
| gangrene | is a complication of necrosis (i.e., cell death) characterized by the decay of body tissues, which become black (and/or green) and malodorous |
| impetigo | is a superficial bacterial skin infection most common among children 2 to 6 years old |
| keloid | is a type of scar with mainly type I and some type III collagen which results in an overgrowth of tissue at the site of a healed skin injury. |
| papule | is a circumscribed, solid elevation of skin with no visible fluid, varying in size from a pinhead to 1 cm |
| pruritus | is an unpleasant sensation that evokes the desire or reflex to scratch. |
| psoriasis | is a chronic, non-contagious autoimmune disease which affects the skin and joints. It commonly causes red scaly patches to appear on the skin. |
| purpura | is the appearance of red or purple discolorations on the skin that do not blanch on applying pressure. They are caused by bleeding underneath the skin. |
| rubella | This disease is often mild and attacks often pass unnoticed. The disease can last one to three days. Usually considered a relatively trivail infection, the true danger lies in infection of an expectant mother, which can lead to congenital rubella syndrome. |
| tinea | is a general term used to describe skin mycoses (a condition in which fungi infect the skins). The term ringworm is even less precise, but is usually considered a synonym |
| urticaria | are a kind of skin rash notable for dark red, raised, itchy bumps. These are usually the result of an allergic trigger |
| vitiligo | is a chronic relatively common dermatologic disorder that causes depigmentation in patches of skin. It occurs when the melanocytes, the cells responsible for skin pigmentation, die or become unable to function |
| wheal | is a firm, elevated swelling of the skin, commonly known as a welt. |
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