뒤로Common Skin Disorders in Anatomy & Physiology
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Also called liver spots or solar lentigines, these are flat, well-delineated, uniformly colored dark spots on sun-exposed skin areas that appear with age. They are harmless.
An inherited condition where melanocytes do not synthesize melanin due to lack of tyrosinase. Skin appears pink, hair pale or white, and irises unpigmented or nearly so.
Absence of hair where it normally occurs; can be partial or complete. Alopecia areata is caused by immune system attacking hair follicles.
A contagious fungal infection of the foot skin, usually starting between toes. Also called tinea pedis and treated with antifungal medications.
Inflammation of hair follicles and sebaceous glands with infection spreading to subcutaneous tissue. A carbuncle is a cluster of boils, often caused by bacterial infection.
Small fluid-filled blisters around lips or mouth mucosa caused by herpes simplex virus. The virus remains dormant in cutaneous nerves and can be reactivated by stress, fever, or UV radiation.
Itching, redness, swelling, and blistering caused by skin exposure to chemicals that provoke allergic responses, such as poison ivy oleoresin.
Localized skin breakdown and ulceration due to interrupted blood supply, usually over bony prominences under continuous pressure; also called a bedsore.
The branch of medicine that studies and treats disorders of the skin.
A skin rash with itching, blistering, oozing, and scaling. Common allergic reaction in children and adults, often triggered by foods or inhaled allergens.
A group of hereditary disorders causing faulty keratin, collagen, or basement membrane synthesis, leading to skin layer separation and blistering from minor trauma.
Pink, fluid-filled raised lesions around mouth and nose that develop yellow crusts and rupture. Caused by contagious staphylococcus infection, common in children.
A chronic autoimmune condition with raised, reddened patches covered by silvery scales that itch or burn. Triggered by trauma, infection, hormones, or stress.
A chronic skin eruption with dilated small blood vessels on the face, especially nose and cheeks, sometimes with papules and pustules. More common in females.
An autoimmune disorder causing stiff, hardened skin from excess collagen, limiting joint movement and facial expression. Often includes Raynaud’s phenomenon.
The most common skin pigmentation disorder, characterized by loss of melanocytes causing unpigmented light spots surrounded by normal skin. It is autoimmune.