US Medical Glossary · By body system
Skin, hair and nails
Piel, cabello y uñas
This page lists the 21 terms of the US medical glossary that belong to this area, grouped by kind. Each line gives the English term, its Spanish equivalent and a one-line definition; the term's own page adds seven more languages, example sentences for an appointment and its sources. Terms are placed in an area by the MedlinePlus health-topic group of the source each entry cites.
Conditions (8)
- Acne — Acné
- Acne is a common skin condition that occurs when hair follicles become clogged with oil and dead skin cells.
- Alopecia — Alopecia
- Alopecia refers to hair loss, which can range from small, patchy bald spots (alopecia areata) to complete loss of all body hair (alopecia universalis).
- Cellulitis — Celulitis infecciosa
- Cellulitis is a common bacterial skin infection that affects the deeper layers of the skin and the tissue just beneath it.
- Chickenpox (Varicella) — Varicela
- Chickenpox is a highly contagious viral infection caused by the varicella-zoster virus.
- Eczema (Atopic Dermatitis) — Eccema (dermatitis atópica)
- Eczema, or atopic dermatitis, is a chronic skin condition characterized by dry, itchy, and inflamed skin.
- Melanoma — Melanoma
- Melanoma is the most serious type of skin cancer, arising from pigment-producing cells called melanocytes.
- Psoriasis — Psoriasis
- Psoriasis is a chronic autoimmune skin disease that causes skin cells to multiply up to ten times faster than normal, resulting in red, scaly, thick patches on the skin.
- Rosacea — Rosácea
- Rosacea is a chronic skin condition that primarily affects the face, causing redness, visible blood vessels, and sometimes acne-like bumps.
Symptoms (8)
- Bruising — Moretones
- Bruising occurs when small blood vessels under the skin break after an impact, causing discoloration ranging from red and purple to green and yellow as the bruise heals.
- Dry Skin — Piel seca
- Dry skin, or xerosis, is a condition where the skin loses moisture and becomes rough, flaky, or itchy.
- Excessive Sweating — Sudoración excesiva
- Excessive sweating, or hyperhidrosis, means sweating far more than is needed to regulate body temperature.
- Hair Loss — Pérdida de cabello
- Hair loss, also called alopecia, refers to losing more hair than usual from the scalp or other parts of the body.
- Hives — Urticaria
- Hives are raised, itchy welts on the skin that appear suddenly and can occur anywhere on the body.
- Itching — Picazón
- Itching, also called pruritus, is an uncomfortable sensation that prompts the urge to scratch.
- Rash — Sarpullido
- A rash is a change in the skin's color, texture, or appearance.
- Skin Lesion — Lesión cutánea
- A skin lesion is any abnormal area of skin that looks different from the surrounding skin.
Procedures (4)
- Phototherapy — Fototerapia
- Phototherapy uses controlled exposure to specific wavelengths of light to treat certain skin conditions or mood disorders.
- Skin Graft — Injerto de piel
- A skin graft is a surgical procedure in which healthy skin is removed from one area of the body (the donor site) and transplanted to cover a wound, burn, or area where skin has been lost.
- Sutures — Suturas
- Sutures are stitches used to close a wound or surgical incision by bringing the edges of skin or tissue together so the area can heal properly.
- Wound Care — Cuidado de heridas
- Wound care involves cleaning, treating, and dressing injuries, surgical incisions, pressure sores, diabetic ulcers, or other skin wounds to promote healing and prevent infection.
Medications (1)
- Injectable — Inyectable
- An injectable medication is a drug administered by injection into a vein, muscle, or the fatty tissue under the skin.
Other areas of the glossary
- Heart and circulation — Corazón y circulación
- Lungs and breathing — Pulmones y respiración
- Digestive system — Sistema digestivo
- Brain and nerves — Cerebro y nervios
- Mental health — Salud mental
- Reproductive health and pregnancy — Salud reproductiva y embarazo
- Bones, joints and muscles — Huesos, articulaciones y músculos
- Blood and immune system — Sangre y sistema inmunitario
- Hormones, diabetes and metabolism — Hormonas, diabetes y metabolismo
- General care: tests, procedures and medicines — Atención general: pruebas, procedimientos y medicamentos
This page is a language reference. It is not medical advice. Last reviewed: October 7, 2026