keratosis (Seborrheic keratosis, Callus) - other epidermal thickening (Ichthyosis acquisita, Palmoplantar keratoderma) The University of California, Berkeley (also known as Cal, UC Berkeley, UCB, or simply Berkeley) is a prestigious, public, coeducational university situated in the foothills of Berkeley, California to the east of San Francisco Bay, overlooking the Golden Gate and its bridge. ... Dermatology is a branch of medicine dealing with the skin, its structure, functions, and diseases (from Greek derma, skin), as well as its appendages (nails, hair, sweat glands). ... The subcutis is the layer of tissue directly underlying the cutis. ... In zootomy, the integumentary system is the external covering of the body, comprising the skin, hair, scales, nails, sweat glands and their products (sweat and mucus). ... An infection is the detrimental colonization of a host organism by a foreign species. ... Staphylococcus (in Greek staphyle means bunch of grapes and coccos means granule) is a genus of Gram-positive bacteria. ... Boil or furuncle is a skin disease caused by the inflammation of hair follicles, thus resulting in the localized accumulation of pus and dead tissues. ... For other uses, see Carbuncle (disambiguation). ... This article is about the nail disease. ... Species See text. ... Erythrasma is a skin disease that can result in pink patches, which can turn into brown scales. ... For the packaging type, see Blister pack. ... Pemphigus is an autoimmune disorder that causes blistering and raw sores on skin and mucous membranes. ... Bullous pemphigoid, also referred to as BP, is a chronic autoimmune skin disease, involving the formation of blisters below the surface of the skin and antibodies against collagen XVII. It can also (albeit only rarely) involve the mucous membranes, and has been shown to afflict dogs, cats, pigs, and horses... Dermatitis herpetiformis (DH) or Duhrings Disease, is a skin disorder often associated with celiac disease. ... Dermatitis is a blanket term literally meaning inflammation of the skin. It is usually used to refer to eczema, which is also known as Dermatitis eczema. ... Eczema (from Greek έκζεμα) is a form of dermatitis, or inflammation of the upper layers of the skin. ... For the album by Ivor Cutler, see Dandruff (album). ... An infant with Cradle Cap Close up image of Cradle Cap Cradle Cap (Infantile seborrhoeic dermatitis, or crusta lactea, milk crust, honeycomb disease; croûte de lait, eczéma infantile, dermatite atopique infantile (French); ne shqip njihet si - rrjebull ose rrjebulla (Albanian); crosta lattea (Italian); and σμηγματόρροια του τριχωτού της κεφαλής των νεογνών (Greek)) is a patchy... Diaper rash (U.S.) or nappy rash (UK), is a generic term applied to skin rashes in the diaper area that are caused by a various skin disorders and/or irritants. ... Toxicodendron pubescens (Atlantic Poison-oak), one of a large number of species containing urushiol irritants. ... Contact dermatitis is a term for a skin reaction resulting from exposure to allergens or irritants. ... Erythroderma refers to a skin disorder characterized by the widespread reddening of the skin. ... Lichen simplex chronicus is a skin disorder characterized by chronic itching and scratching. ... Prurigo nodularis (PN) is a skin disease characterised by pruritic (itchy) nodules which usually appear on the arms or legs. ... For other uses, see Itch (disambiguation). ... Pruritus ani is a medical term which refers to persistent itching of the anus (and in Latin means literally the same thing). ... Nummular dermatitis is one of the many forms of dermatitis. ... Dyshidrosis, also termed Dyshidrotic Eczema, Pompholyx and Dyshidrotic Dermatitis, is a skin condition that is characterized by small blisters on the hands or feet. ... Pityriasis alba is a common skin condition mostly occurring in children and usually seen as dry, fine scaled, pale patches on their faces. ... A papulosquamous disorder is a condition which presents with both papules and scales,[1] or both scaly papules and plaques. ... Psoriatic arthritis (or Arthropathic psoriasis) is a type of inflammatory arthritis that affects around 20% of people suffering from the chronic skin condition Psoriasis. ... Parapsoriasis refers to one of a group of skin disorders that are characterized primarily by their resemblance to psoriasis (red, scaly lesions), rather than by their underlying etiology. ... Pityriasis Lichenoides et Varioliformis Acuta, or Mucha Habermanns Disease, short form PLEVA, is a disease of the immune system. ... Pityriasis lichenoides chronica is the chronic version of the Pityriasis lichenoides et varioliformis acuta, also called Mucha Habermanns Disease. ... Lymphomatoid papulosis (LyP) is a rare skin disorder. ... Pityriasis rosea is a skin disease marked by patches of pink, oval rash. ... Lichen planus is an inflammatory disease that affects the skin and the oral mucosa. ... Pityriasis Rubra Pilaris (PRP) is a chronic rare skin disorder characterized by reddish orange color of the skin, and scaling, flaky skin. ... Lichen nitidus is a chronic inflammatory disease of unknown etiology[1], characterized by 1-2mm, discrete and uniform, shiny, flat-topped, pale flesh-colored or reddish-brown papules[2][3] that may be hypopigmented in blacks, and, occasionally, minimal scaling is present or can be induced by rubbing the surface... Erythema is redness of the skin caused by capillary congestion. ... Seen in about 5 percent of the population, Dermatographism is caused by Mast cells in the surface of the skin releasing histamines upon light scratching of the skins surface. ... Cholinergic urticaria is subcategory of physical urticaria (aka hives) that is a skin rash brought on by a hypersensitive reaction to body heat. ... Erythema is redness of the skin caused by capillary congestion. ... Stevens-Johnson syndrome (SJS) is a severe and potentially life-threatening (15% of cases) disease, it is a hypersensitivity complex affecting the skin and the mucous membranes, a severe expression of erythema multiforme (EM) (and so SJS is also called erythema multiforme major). ... Stevens-Johnson syndrome (SJS) is a severe and life-threatening condition. ... Toxic epidermal necrolysis is a life-threatening and usually drug-induced dermatological condition that occurs more often in women than in men. ... Erythema nodosum is a form of inflammation of the subcutaneous fatty tissue. ... Erythema annulare centrifugum is a descriptive term for a skin lesion consisting of redness (=erythema) in a ring form (=annulare) that spreads from the center (= centrifugum). ... Erythema marginatum is described as the presence of pink rings on the trunk and inner surfaces of the arms and legs which come and go for as long as several months. ... For other uses, see Radiation (disambiguation). ... Actinic keratosis (also called solar keratosis, or AK) is a premalignant condition of thick, scaly, or crusty patches of skin. ... Polymorphic Light Eruption (PLE) is a skin complaint caused by sunlight. ... Radiodermatitis is a skin disease associated with prolonged exposure to radiation. ... Erythema ab igne (EAI, or dermatitis ab igne) refers to skin that is reddened due to repeated exposure to heat radiation. ... Skin appendages are appendages that are associated with the skin and serve a particular function. ... Nail diseases are in a separate category from diseases of the skin. ... Onychocryptosis, commonly known as ingrown nails (unguis incarnatus) or ingrowing nails, is a common form of nail disease. ... Onychogryposis, also called rams-horn nail, is a thickening and increase in curvature of the nail. ... Beaus lines: Deep grooved lines that run from side to side on the fingernail. ... Yellow Nail Syndrome is the term that describes the triad of pleural effusions, lymphoedema and yellow dystrophic nails. ... Leukonychia (or Leuconychia) is a medical term for white discoloration appearing on nails. ... Alopecia is a set of disorders ranging from male and female pattern alopecia (alopecia androgenetica), to alopecia areata, which involves the loss of some of the hair from the head, alopecia totalis, which involves the loss of all head hair, to the most extreme form, alopecia universalis, which involves the... Alopecia totalis is the loss of all head hair. ... Alopecia universalis is a medical disorder in which the afflicted are unable to grow hair on the entire body. ... Ophiasis is a form of alopecia areata characterized by the the loss of hair in the shape of a wave at the circumference of the head. ... This article does not cite any references or sources. ... Telogen Effluvium is characterized by sudden, diffuse hair loss caused by an interruption in the normal hair growth cycle. ... A form of Alopecia (gradual hair loss) caused primarily by pulling force being applied to the hair. ... Lichen planus is an inflammatory disease that usually affects the skin, the mouth, or sometimes both. ... Trichorrhexis nodosa is a defect in the hair shaft characterized by thickening or weak points (nodes) that cause the hair to break off easily. ... Hypertrichosis is a medical term, also known as Wolfitis, referring to a condition of excessive body hair. ... Hirsutism (from Latin hirsutus = shaggy, hairy) is defined as excessive and increased hair growth in women in locations where the occurrence of terminal hair normally is minimal or absent. ... This article is about a skin disease commonly found during adolescence. ... Rosacea (IPA: ) is a common but often misunderstood condition that is estimated to affect over 45 million people worldwide. ... Perioral dermatitis Perioral dermatitis, a condition related to acne vulgaris, consists of red superficial pustules around the mouth and chin and the sides of the nose. ... Rhinophyma is a descriptive term for a large, bulbous, ruddy appearance of the nose caused by granulomatous infiltration. ... An epidermoid cyst is a benign cyst, developed out of ectodermal tissue. ... Close-up of an infected sebaceous cyst that has abscessed, located behind the ear lobe. ... Steatocystoma multiplex is a congenital conditions resulting in multiple cysts on the body. ... Pseudofolliculitis barbae (pronounced //) is a medical term for persistent inflammation caused by shaving. ... Hidradenitis suppurativa or HS is a skin disease that affects areas bearing apocrine sweat glands and hair follicles; such as the underarms, groin and buttocks. ... Folliculitis is inflammation of one or more hair follicles. ... A diagrammatic sectional view of the skin (magnified). ... Not to be confused with malaria. ... Anhidrosis means lack of sweating. ... Sweating (also called perspiration or sometimes transpiration) is the loss of a watery fluid, consisting mainly of sodium chloride and urea in solution, that is secreted by the sweat glands in the skin of mammals. ... Chromhidrosis is a rare condition characterized by the secretion of colored sweat. ... Fox-Fordyce disease is a chronic blockage of the sweat gland ducts with a secondary, nonbacterial inflammatory response to the secretions and cellular debris in the cysts. ... Not to be confused with alphos, a form of leprosy once called vitiligo. ... Melasma (also known as chloasma or the mask of pregnancy when present in pregnant women) is a tan or dark facial skin discoloration. ... Freckles are small colored spots of melanin on the exposed skin or membrane of people with complexions fair enough for them to be visible. ... Café au lait spots or cafe-au-lait spots (CAL) are pigmented birthmarks. ... Lentigo is a type of brown skin lesion. ... Liver spots are blemishes on the skin associated with ageing and exposure to ultra-violet radiation from the sun. ... Acanthosis nigricans is a brown to black, poorly defined, velvety hyperpigmentation of the skin, usually present in the posterior and lateral folds of the neck, the axilla, groin, umbilicus, and other areas. ... Keratosis can refer to: actinic keratosis (also known as solar keratosis) seborrheic keratosis keratosis pilaris (KP) Category: ‪Disambiguation‬ ... Seborrheic keratosis (Seborrhoeic keratosisis) a kind of benign skin growth that is very common among people over 40 years of age. ... This article is about calluses and corns of human skin. ... Ichthyosis acquisita (or acquired ichthyosis) is a disorder clinically and histologically similar to ichthyosis vulgaris. ... Categories: Medicine stubs | Dermatology | Podiatry ...

skin ulcer (Pyoderma gangrenosum, Bedsore) Bedsores, more properly termed pressure ulcers, are ulcers (sores) caused by pressure, friction or shear on vulnerable areas of the body, such as bony or cartilaginous areas. ...

atrophic (Lichen sclerosus, Acrodermatitis chronica atrophicans) Atrophy is the partial or complete wasting away of a part of the body. ... Lichen sclerosus (LS) (also known as lichen sclerosus et atrophicus (LSA), white-spot disease) is an uncommon disease of unknown cause that results in white patches on the skin, which may cause scarring on and around genital skin[1]. Several risk factors have been proposed, including autoimmune diseases, infections and... Acrodermatitis chronica atrophicans (ACA) also known as Pick-Herxheimer disease, is a skin rash indicative of the third or late stage of European Lyme borreliosis. ...

necrobiosis (Granuloma annulare, Necrobiosis lipoidica) - other granuloma (Granuloma faciale, Pyogenic granuloma) Granuloma annulare is a chronic skin disease consisting of a rash with reddish bumps arranged in a circle or ring. ... Necrobiosis lipoidica is a necrotizing skin condition that usually occurs in patients with diabetes. ... H&E section of non-caseasting granuloma seen in the colon of a patient with Crohns disease In medicine (anatomical pathology), a granuloma is a group of epithelioid macrophages surrounded by a lymphocyte cuff. ... Granuloma faciale (GF) is an uncommon benign chronic skin disease of unknown origin characterized by single or multiple cutaneous nodules, usually occurring over the face. ... Pyogenic granuloma, also referred to as pregnancy tumor, is a primarily oral pathologic condition that appears in the mouth as an overgrowth of tissue due to irritation or trauma. ...

vasculitis (Livedoid vasculitis, Erythema elevatum diutinum) Vasculitis (plural: vasculitides), a group of diseases featuring inflammation of the wall of blood vessels including veins (phlebitis), arteries (arteritis) and capillaries due to leukocyte migration and resultant damage. ... Livedoid vasculitis (also known as livedo vasculitis, livedo reticularis, and livedoid vasculopathy) is a vascular disorder mostly affecting women. ...