Dermatology Terminology

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Epidermis

The outer layer of skin. It protects the body from the environment.

Dermis

The layer beneath the epidermis. It contains nerves and blood vessels.

Subcutaneous Tissue

The deepest layer of skin. It stores fat and provides insulation.

Lesion

An abnormal change in skin. It may indicate injury or disease.

Rash

A change in skin appearance. It may cause redness or itching.

Itching

An uncomfortable sensation that causes scratching. It may indicate irritation.

Bruise

Discoloration caused by bleeding under the skin. It usually heals over time.

Blister

A fluid filled bubble on the skin. It may result from friction or burns.

Burn

Damage to skin caused by heat chemicals or electricity. Severity varies.

Dryness

A lack of moisture in the skin. It may cause flaking or cracking.

Eczema

A condition that causes dry itchy skin. It may flare up over time.

Psoriasis

A condition that causes thick scaly patches. It is chronic.

Acne

A skin condition caused by clogged pores. It may include pimples or cysts.

Hives

Raised itchy welts on the skin. They may result from allergies.

Mole

A dark spot on the skin. Changes may require evaluation.

Sunburn

Skin damage caused by ultraviolet light. It may cause redness and pain.

Hydration

The moisture level of the skin. Proper hydration improves appearance.

Exfoliation

The removal of dead skin cells. It helps improve texture.

Scar

A mark left after healing. It may fade over time.

Irritation

Redness or discomfort caused by friction or chemicals. It may require treatment.