Dermatology Terms
Terms
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- Abscess
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a collection of pus in part of the body formed by tissue disintegration and surrounded by an inflamed area.
- Acrocyanosis
-
bluish discoloration around the lips, nails, hands, toenails, and feet.
- Albinism
- absence of pigmentation.
- Alopecia
-
loss of scalp hair or baldness.
- Avulsion
- tearing away.
- Blepharitis
- Blepharitis
- Carbuncle
-
acute inflammatory nodule of the skin caused by bacterial invasion into the hair follicles or sebaceous gland ducts. It is actually a boil, but one that has more than one focus of infection. Carbuncles occure more often in men because of their more extensive body hair growth.
- Cellulitis
-
an infection of the skin and subcutaneous tissue.
- Cheilitis
- inflammation of the skin on and around the lips
- Cicatrix
- scar tissue in the early stages of wound healing that is pale and fibrous
- Crust
-
outer layer of dried exudate that is common in dermatological conditions, for example, eczema and impetigo.
- Cyst
-
encapsulated fluid-filled cavity in the deral or subcutaneous layers of the skin.
- Decubitus
-
a sore, ulcer, or inflammation of the skin that develops as a result of prolonged pressure that decreases the blood flow to an area. Also called pressure ulcer or bed sore.
- Dermatitis
- an inflammatory condition of the skin
- Dermatosis
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a disorder of the skin that is not an inflammatory condition (dermatitis).
- Discoid
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a flat, round shape.
- Edema
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an accumulation of fluid in the interstitial tissue.
- Erosion
- the gradual wearing away of a surface.
- Eschar
-
a scab or scar that develops over areas of trama.
- Exacerbation
- an increase in the severity of a condition
- Excoriation
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an abrasion or scratch on the surface on the skin.
- Exudate
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a discharge of fluid or other cells that ooze through pores, blood vessels, or cell membranes.
- Exudation
-
an oozing of pus, fluid, or blood.
- Fissure
- a linear lesion or break in the surface of the skin
- Friable
- brittle; crumbles or breaks easily
- Furuncle
-
an infection that originates in the hair follicle.
- Gangrene
-
necrosis or death of tissue, primarily due to the loss of blood supply to the area.
- Hypertrophic
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an excessive formation of new tissue that results in scar formation.
- Keloid
- a fibrous growth of scar tissue at the site of an injury
- Lichenification
- thick, leathery skin that results from excessive scratching of the skin.
- Marucle
-
a flat discoloration on the skin like a freckle.
- Marmorata
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a motting of the trunk and extremeties on response to cold. Common in newborns.
- Nevus
-
a birthmark, a pigmented blemish of the skin.
- Nodule
-
a solid elevated mass, greater than 1 cm in diameter, which may extentd deep into the dermis of the skin.
- Occult
- hidden or unable to observe directly.
- Papule
-
a solid elevated mass that is less than 1 cm in diamater.
- Palmar
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pertaining to the palm of the hand.
- Patch
-
a macule that is larger than one 1 cm.
- Puritus
- itchiness.
- Purulent
-
producing or consisting of pus.
- Pustule
- pus-filled cavity
- Pyoderma
-
any skin condition that produces a purulent discharge.
- Rhyinophyma
- a form of rosacea in which there is excessive swelling and redness that distorts the skin of the nose.
- Sanguineous
-
pertaining to blood.
- Seropurulent
-
an exudate that contains a both a watery serum and pus.
- Serosanguineous
- an exudate that caintains a watery serum and blood
- Serous
- an exudate that contains a serum or something that is similar to a serum in nature.
- Scab
-
a hard crust that forms over a healing wound.
- Scale
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small flakes of keratinized epithelium.
- Scar
- fibrous tissue that forms over a wound
- Telangiectasia
- an area where there is permanent dilation of capillaries and venules, also called spider angioma.
- Ulcer
- a lesion of the skin that is crater-like in appearance.
- Vesicle
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a fluid-filled sac the is 1 cm in diameter or smaller (above 1 cm is referred to a a blister or bulla).
- Vitiligo
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a patchy discoloration of the skin caused by the destruction of melanocytes.