| allergic contact dermatitis | A delayed type IV allergic reaction of the skin with varying degrees of erythema, oedema, and vesiculation resulting from cutaneous contact with a specific allergen. Synonym: contact allergy. (05 Mar 2000) |
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| contact dermatitis | <pathology> A type of immune-mediated inflammatory skin rash that results from an allergy to a particular substance (for example jewelry dermatitis, poison ivy, neomycin ointment, etc.). (27 Sep 1997) |
| contact-type dermatitis | Dermatitis resembling contact dermatitis or eczema, but caused by an ingested or injected allergen, usually a drug, and with a widespread or generalised distribution. (05 Mar 2000) |
| dermatitis, allergic contact | A contact dermatitis due to allergic sensitization to various substances. These substances subsequently produce inflammatory reactions in the skin of those who have acquired hypersensitivity to them as a result of prior exposure. (12 Dec 1998) |
| dermatitis, contact | A type of acute or chronic skin reaction in which sensitivity is manifested by reactivity to materials or substances coming in contact with the skin. It may involve allergic or non-allergic mechanisms. (12 Dec 1998) |
| irritant contact dermatitis | Skin reactions ranging from erythema and scaling to necrotic burns resulting from nonimmunologic damage by chemicals in contact with the skin immediately or repeatedly. (05 Mar 2000) |
| cause | That which produces an effect or condition; that by which a morbid change or disease is brought about. Origin: L. Causa (05 Mar 2000) |
| cause of death | Factors which produce cessation of all vital bodily functions. They can be analyzed from an epidemiologic viewpoint. (12 Dec 1998) |
| plaque and tartar cause | (12 Dec 1998) |
| constitutional cause | A cause acting from within or through some systemic process or inborn error. (05 Mar 2000) |
| precipitating cause | A factor that brings on the onset of manifestations of a disease process. (05 Mar 2000) |
| predisposing cause | Anything that produces a susceptibility or disposition to a condition without actually causing it. (05 Mar 2000) |
| proximate cause | The immediate cause that precipitates a condition. (05 Mar 2000) |
| specific cause | A cause the action of which definitely produces the condition in question. (05 Mar 2000) |
| necessary cause | An aetiological factor without which a result in question will not occur; the occurrence of the result is proof that the factor is operating. (05 Mar 2000) |