PUVA Glossary of Terms

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

Absorb: 1. To take something in, as through the skin or the intestine.
2....

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Absorption: Uptake. For example, intestinal absorption is the uptake of food (or other sub...

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Aging: The process of becoming older, a process that is genetically determined and environ...

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Atopic: A predisposition toward developing certain allergic hypersensitivity reactions. At...

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Atopic dermatitis: A skin disease characterized by areas of severe itching, redness, scali...

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Cancer: An abnormal growth of cells which tend to proliferate in an uncontrolled way and, ...

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Cell: The basic structural and functional unit of any living thing. Each cell is a small c...

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

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Cutaneous: Related to the skin.

Dermatitis: Inflammation of the skin, either due to an inherent skin defect, direct contac...

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DNA: Deoxyribonucleic acid. One of two types of molecules that encode genetic information...

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Epidermal: Pertaining to the epidermis, the outermost layer of the skin.

Genetic: Having to do with genes and genetic
information.

Graft: Healthy skin, bone, kidney, liver, or other tissue that is taken from one part of t...

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

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Itching: An uncomfortable sensation in the skin that feels as if something is crawling on ...

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Lymphoma: A tumor of the lymphoid tissue. The major types of lymphoma are Hodgkin's diseas...

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Molecule: The smallest unit of a substance that can exist alone and retain the character o...

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Mycosis fungoides: A type of non-Hodgkin's lymphoma that first appears on the skin. Also k...

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Pigmentation: The coloring of the skin, hair, mucous membranes, and retina of the eye. Pig...

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Poikiloderma: Extra pigmentation of the skin that demonstrates a variety of shades and is ...

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Prescription: A physician's order for the preparation and administration of a drug or dev...

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Psoralen: Any of a number of drugs and other substances containing chemicals that react wi...

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

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PUVA: PUVA stands for psoralen (P) and ultraviolet A (UVA) therapy in which the patient is...

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Sensitivity: 1. In psychology, the quality of being sensitive. As, for example, sen...

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Sunburn: Sunburn is an inflammation of the skin that develops in response to exposure to u...

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

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

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Ultraviolet A: One of the three types of invisible light rays (together with ultraviolet ...

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Vitiligo: A condition in which the skin turns white due to the loss of pigment from the me...

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Medical Dictionary