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Dermatologist: Glossary of Terms


Abscess: an infection caused by bacteria or parasites that contain pus.

Acne: Acne is short for Acne Vulgaris. Acne is a skin condition that is most commonly found on the face, back, shoulders and chest.

Acne Vulgaris: also called Acne. Please refer to definition of Acne.

Acrochordon: also known as a Skin Tag. Please refer to definition of Skin Tag.

Albinism: a rare skin disorder characterized by a total or partial lack of melanin in the eyes, skin, or hair.

Angioma: a non-cancerous tumor made up of blood vessels near the surface of the skin.

Atopic Dermatitis: also known as Eczema. Please refer to definition of Eczema.

Basal Cell Carcinoma: the most common form of skin cancer.

Blemish: called Acne. Please refer to definition of Acne.

Boil: infection of the hair follicle.

Botox: a drug used to reduce wrinkles by blocking nerves or paralyzing certain muscles.

Closed Comedo: also called Whitehead, a type of acne that contains an oily substance.

Cold Sore: a lesion around the mouth caused by the herpes simplex virus.

Creeping Eruption: a skin infection caused by parasites that causes severe itching.

Cryosurgery: is the procedure to remove a abnormal tissues on the skin by freezing with liquid nitrogen.

Cyst: a deep lesion that is filled with air, pus or other fluids.

Cystic Acne: a severe form of acne that forms nodules of inflammation.

Dermabrasion: a cosmetic procedure to remove minor skin surface irregularities and scars by making the surface appear smoother.

Dermatitis: inflammation of the skin from many different kinds of skin conditions.

Dermatofibroma: a non-cancerous hard bumps usually found on the legs

Dermis: layer of skin below the epidermis that contains blood vessels, hair follicles, and sweat glands.

Ephelis: also called Freckle. Please refer to definition of Freckle.

Epidermis: the outermost layer of skin.

Erythema Nodosum: a skin condition characterized by tender, red bumps that are usually on the shins.

Erythrasma: a skin infection characterized by irregular pink patches that can turn to brown scales.

Exanthem: a widespread rash.

Excoriation: an area of the skin covered by a scab, usually caused by scratching.

Folliculitis: an inflammation of the hair follicles.

Freckle: clusters of darkened spots on the skin that typically appear on sun-exposed areas. Freckles are genetic

Herpes Zoster: also known as shingles, a painful rash with small blisters usually in a line.

Hirsutism: excessive hair.

Impetigo: a bacterial skin infection common in children age 2 to 6.

Juvederm: a filler used to reduce wrinkles, contains hyaluronic acid.

Laser Resurfacing: a procedure that uses a high-energy light to burn away damaged skin, which includes wrinkles, stretch marks, and small scars.

Liver Spots: a discoloration of the skin caused by sun exposure and aging.

Macule: a flat, colored area of the skin.

Malignant Melanoma: a rare type of skin cancer that begins as a mole that turns cancerous.

Melanocytes: cells located in the bottom layer of skin that produce melanin.

Melasma: dark patches on the face, common in pregnant woman.

Moles: small, dark spots on the skin caused by pigment-producing cells.

Mongolian spots: Bluish-black marks on the lower back and buttocks; affects mainly African-American or Asian children.

Nodule: a lesion that is a hard, raised bump.

Open Comedo: also called Blackhead, a type of acne that develops a blackish bump in the skin.

Paronychia: a bacterial or fungal skin infection around the finger or toenail.

Papules: a small, hard raised area of the skin that does not contain pus.

Perlane: a filler used to reduce wrinkles, contains hyaluronic acid.

Pimple: a inflamed pore on the skin.

Pityriasis Rosea: a common skin condition which is a rash in patches normally found on the torso.

Ringworm: fungal skin infection that is reddish with a white center in the shape of a ring.

Scabies: a skin infection caused by mites and can be transmitted to others.

Scar: an area of fibrous tissue that has formed on the skin after an injury.

Seborrheic Keratosis: a non-cancerous growth resembling warts.

Shingles: also knows as Herpes Zoster. Please refer to definition of Herpes Zoster.

Skin Cancer: a malignant (cancerous) growth or tumor on the skin.

Skin Tags: a small non-cancerous, soft, flesh-colored tumor.

Spider Veins: also knows as Telangiectasia . Please refer to definition of Telangiectasia.

Squamous Cell Carcinoma: form of skin cancer that becomes an open sore.

Stretch Marks: also knows as Striae. Please refer to definition of Striae.

Striae: form of scaring caused by stretching or tearing of the skin.

Telangiectasia: dilated blood vessels near the surface of the skin.

Toxic Epidermal Necrolysis: a life-threatening skin disorder, usually caused by a reaction to medicine.

Tretinoin: a common drug used to treat acne.

Vitiligo: a skin disorder that is caused by the loss of pigment in the skin, that looks like white patches.

Wart: a small non-cancerous skin tumor caused by a virus.

Whitehead: also known as Closed Comedo . Please refer to definition of Closed Comedo.

Wrinkle: a ridge, fold or crease in the skin surface.