Types of Psoriasis Glossary of Terms

The following are health and medical definitions of terms that appear in the Types of Psoriasis article.

Abdomen: The belly, that part of the body that contains all of the structures between the...

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Abdominal: Relating to the abdomen, the belly, that part of the body that contains all of ...

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Acute: Of abrupt onset, in reference to a disease. Acute often also connotes an illness th...

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Arms: An appendage in anatomy and in clinical trials. See: Arm.

Arthritis: Inflammation of a joint. When joints are inflamed they can develop stiffness, w...

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Autoimmune: Pertaining to autoimmunity, a misdirected immune response that occurs when the...

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Autoimmune disease: An illness that occurs when the body tissues are attacked by its own i...

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Bacteria: Single-celled microorganisms that can exist either as independent (free-living) ...

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Bacterial: Of or pertaining to bacteria, as in a bacterial lung infection.

Bumps: The raised area of a bump or bruise results from blood leaking from these injured b...

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Capillaries: Capillaries are the smallest of blood vessels. They serve to distribute oxyge...

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Chills: feelings of coldness accompanied by shivering. Chills may develop after exposure t...

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Chronic: In medicine, lasting a long time. A chronic condition is one that lasts 3 months ...

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Chronic disease: A disease that persists for a long time. A chronic disease is one lasting...

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Cutaneous: Related to the skin.

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Dehydration: Excessive loss of body water. Diseases of the gastrointestinal tract that ca...

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Dermatitis: Inflammation of the skin, either due to direct contact with an irritating sub...

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Dermatologist: A physician who specializes in the diagnosis and treatment of skin problems...

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Dermatology: 1. The branch of medicine concerned with the diagnosis, treatment, and...

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Erythrodermic psoriasis: A particularly inflammatory form of psoriasis that often affects ...

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Fever: Although a fever technically is any body temperature above the normal of 98.6 degr...

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Fungal: Pertaining to a fungus. For example, a fungal skin infection.

Genetic: Having to do with genes and genetic
information.

Guttate psoriasis: A type of psoriasis characterized by red, scaly plaques of inflamed ski...

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Headache: A pain in the head with the pain being above the eyes or the ears, behind the he...

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Heart: The muscle that pumps blood received from veins into arteries throughout the body. ...

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Immune: Protected against infection, usually by the presence of antibodies.

Immune system: A complex system that is responsible for distinguishing a person from every...

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Infection: The invasion and multiplication of microorganisms such as bacteria, viruses, an...

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Inflammation: A localized reaction that produces redness, warmth, swelling, and pain as a ...

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Inverse psoriasis: Also called flexural psoriasis, a form of psoriasis found in the armpit...

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Joint: The area where two bones are attached for the purpose of permitting body parts to m...

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Juvenile: Between infantile and adult. Used in medicine to indicate onset in childhood, as...

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Leg: In popular usage, the part of the body from the top of the thigh down to the foot, an...

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Lesion: An area of abnormal tissue change. Lesions vary in severity from harmless to serio...

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Nail: In medicine, there are two types of nails. One is just a plain old metal nail used t...

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Nausea: Stomach queasiness, the urge to vomit. Nausea can be brought on by many causes, in...

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Onychomycosis: Fungus infection of the nail bed under the fingernails or toenails. Onychom...

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Pain: An unpleasant sensation that can range from mild, localized discomfort to agony. Pa...

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Paronychia: Inflammation of the folds of tissue surrounding the nail due to infection or i...

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Pharmacy: A location where prescription medications are sold. A pharmacy is constantly sup...

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Plaque: 1. An semi-hardened accumulation of substances from fluids that bathe an a...

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Plaque psoriasis: The most common form of psoriasis -- about 80% of people with psoriasis ...

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Psoriasis: A reddish, scaly rash often located over the surfaces of the elbows, knees, sca...

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Psoriatic arthritis: Joint inflammation that is associated with psoriasis. Psoriatic arthr...

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Pus: A thick, whitish-yellow fluid that results from the accumulation of white blood cells...

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Pustular psoriasis: A type of recurring psoriasis characterized by the appearance of pus-...

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Rash: Breaking out (eruption) of the skin. A rash can be caused by an underlying medical c...

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Respiratory: Having to do with respiration.

Respiratory system: The organs that are involved in breathing, including the nose, throat,...

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Salicylic acid: A substance obtained from plants (white willow back and wintergreen leaves...

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Scaling: Abnormal shedding or accumulation of an upper layer of skin (the stratum corneum)...

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Seborrheic dermatitis: A medical name for what is popularly called seborrhea.

Strain: 1. An injury to a tendon or muscle resulting from overuse or trauma. 2. A heredita...

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Strep: Very commonly used shortened form of Streptococcus, a very common and import...

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Strep throat: Strep throat is an infection caused by a type of bacteria called streptococc...

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Subacute: Rather recent onset or somewhat rapid change. In contrast, acute indicates very ...

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Surgeon: A physician who treats disease, injury, or deformity via operative or manual meth...

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Sweat: A colorless transparent acidic fluid with a distinctive odor secreted by the small ...

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Systemic: Affecting the entire body. A systemic disease such as diabetes can affect the wh...

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Therapy: The treatment of disease. Therapy is synonymous with treatment.

Throat: The throat is the anterior (front) portion of the neck beginning at the back of th...

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Topical: Pertaining to a particular surface area. For example, a topical agent is applied ...

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Trigger: Something that either sets off a disease in people who are genetically predispose...

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Vitamin D3: A vitamin produced by the body when exposed to ultraviolet light or obtained f...

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Medical Dictionary