Introduction to Dermatology

Branch of medicine dealing with the skin, nails, hair and its diseases.

A medical doctor specializing in the diagnosis and treatment of skin, nail, and hair conditions.

Outermost layer of the skin that provides a protective barrier against the external environment.

Cells that produce keratin, a fibrous protein that provides strength and flexibility to the skin.

Cells that produce melanin, the pigment responsible for skin color and protection against UV radiation.

Middle layer of the skin, providing structural support and elasticity.

Connective tissue cells responsible for synthesizing collagen, elastin, and ground substance in the dermis.

Deepest layer of the skin, connecting the dermis to underlying tissues.

Regulates body temperature through sweating and vasodilation/vasoconstriction.

Common inflammatory condition involving sebaceous follicles, characterized by comedones, papules, pustules, and cysts.

Chronic inflammatory skin condition characterized by pruritus, erythema, and scaling.

Chronic autoimmune condition characterized by raised, scaly plaques.

Most dangerous type of skin cancer, arising from melanocytes and having a high potential for metastasis.

Involves using a handheld microscope to examine skin lesions in greater detail.

Used to identify allergens that cause allergic contact dermatitis.

Reduce inflammation and are used for eczema, psoriasis, and other inflammatory conditions.

Involves freezing lesions, like warts or skin tags, using liquid nitrogen.

Hair loss, which can be classified as scarring or non-scarring.

Common non-scarring type of hair loss

Fungal infection of the nail