| D006968 |
Hypersensitivity, Delayed |
An increased reactivity to specific antigens mediated not by antibodies but by sensitized T CELLS. |
Hypersensitivity, Tuberculin-Type,Hypersensitivity, Type IV,Tuberculin-Type Hypersensitivity,Type IV Hypersensitivity,Delayed Hypersensitivity,Delayed Hypersensitivities,Hypersensitivity, Tuberculin Type,Tuberculin Type Hypersensitivity,Tuberculin-Type Hypersensitivities,Type IV Hypersensitivities |
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| D006969 |
Hypersensitivity, Immediate |
Hypersensitivity reactions which occur within minutes of exposure to challenging antigen due to the release of histamine which follows the antigen-antibody reaction and causes smooth muscle contraction and increased vascular permeability. |
Atopic Hypersensitivity,Hypersensitivity, Atopic,Hypersensitivity, Type I,IgE-Mediated Hypersensitivity,Type I Hypersensitivity,Atopic Hypersensitivities,Hypersensitivities, Atopic,Hypersensitivities, IgE-Mediated,Hypersensitivities, Immediate,Hypersensitivities, Type I,Hypersensitivity, IgE-Mediated,IgE Mediated Hypersensitivity,IgE-Mediated Hypersensitivities,Immediate Hypersensitivities,Immediate Hypersensitivity,Type I Hypersensitivities |
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| D008213 |
Lymphocyte Activation |
Morphologic alteration of small B LYMPHOCYTES or T LYMPHOCYTES in culture into large blast-like cells able to synthesize DNA and RNA and to divide mitotically. It is induced by INTERLEUKINS; MITOGENS such as PHYTOHEMAGGLUTININS, and by specific ANTIGENS. It may also occur in vivo as in GRAFT REJECTION. |
Blast Transformation,Blastogenesis,Lymphoblast Transformation,Lymphocyte Stimulation,Lymphocyte Transformation,Transformation, Blast,Transformation, Lymphoblast,Transformation, Lymphocyte,Activation, Lymphocyte,Stimulation, Lymphocyte |
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| D010787 |
Photosensitivity Disorders |
Abnormal responses to sunlight or artificial light due to extreme reactivity of light-absorbing molecules in tissues. It refers almost exclusively to skin photosensitivity, including sunburn, reactions due to repeated prolonged exposure in the absence of photosensitizing factors, and reactions requiring photosensitizing factors such as photosensitizing agents and certain diseases. With restricted reference to skin tissue, it does not include photosensitivity of the eye to light, as in photophobia or photosensitive epilepsy. |
Actinic Reticuloid Syndrome,Dermatitis, Actinic,Photodermatitis,Chronic Actinic Dermatitis,Photosensitization,Actinic Dermatitides,Actinic Dermatitides, Chronic,Actinic Dermatitis,Actinic Dermatitis, Chronic,Actinic Reticuloid Syndromes,Chronic Actinic Dermatitides,Dermatitides, Actinic,Dermatitides, Chronic Actinic,Dermatitis, Chronic Actinic,Disorder, Photosensitivity,Disorders, Photosensitivity,Photodermatitides,Photosensitivity Disorder,Reticuloid Syndrome, Actinic,Reticuloid Syndromes, Actinic,Syndrome, Actinic Reticuloid,Syndromes, Actinic Reticuloid |
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| D003429 |
Cross Reactions |
Serological reactions in which an antiserum against one antigen reacts with a non-identical but closely related antigen. |
Cross Reaction,Reaction, Cross,Reactions, Cross |
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| D003875 |
Drug Eruptions |
Adverse cutaneous reactions caused by ingestion, parenteral use, or local application of a drug. These may assume various morphologic patterns and produce various types of lesions. |
Dermatitis Medicamentosa,Dermatitis, Adverse Drug Reaction,Maculopapular Drug Eruption,Maculopapular Exanthem,Morbilliform Drug Reaction,Morbilliform Exanthem,Drug Eruption,Drug Eruption, Maculopapular,Drug Eruptions, Maculopapular,Drug Reaction, Morbilliform,Drug Reactions, Morbilliform,Eruption, Drug,Eruption, Maculopapular Drug,Eruptions, Drug,Eruptions, Maculopapular Drug,Exanthem, Maculopapular,Exanthem, Morbilliform,Exanthems, Maculopapular,Exanthems, Morbilliform,Maculopapular Drug Eruptions,Maculopapular Exanthems,Morbilliform Drug Reactions,Morbilliform Exanthems,Reaction, Morbilliform Drug,Reactions, Morbilliform Drug |
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| D003877 |
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. |
Contact Dermatitis,Dermatitis Venenata,Eczema, Contact,Hypersensitivity, Contact,Sensitivity, Contact,Contact Dermatitides,Contact Eczema,Contact Hypersensitivities,Contact Hypersensitivity,Contact Sensitivities,Contact Sensitivity,Dermatitides, Contact,Hypersensitivities, Contact,Sensitivities, Contact |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D012882 |
Skin Tests |
Epicutaneous or intradermal application of a sensitizer for demonstration of either delayed or immediate hypersensitivity. Used in diagnosis of hypersensitivity or as a test for cellular immunity. |
Skin Test,Test, Skin,Tests, Skin |
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