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Items: 4

1.

Allergy

A pathological immune process generally directed towards a foreign antigen, which results in tissue injury, which is usually transient. It is the realization of the allergic disposition. It is most often applied to type I hypersensitivity but other hypersensitivity types especially type IV (e.g. allergic contact dermatitis) may be involved. [from SNOMEDCT_US]

MedGen UID:
287129
Concept ID:
C1527304
Pathologic Function
2.

Allergy

An allergy is a reaction by your immune system to something that does not bother most other people. People who have allergies often are sensitive to more than one thing. Substances that often cause reactions are. -Pollen. -Dust mites. -Mold spores. -Pet dander. -Food. -Insect stings. -Medicines. Normally, your immune system fights germs. It is your body's defense system. In most allergic reactions, however, it is responding to a false alarm. Genes and the environment probably both play a role. Allergies can cause a variety of symptoms such as a runny nose, sneezing, itching, rashes, swelling, or asthma. Allergies can range from minor to severe. Anaphylaxis is a severe reaction that can be life-threatening. Doctors use skin and blood tests to diagnose allergies. Treatments include medicines, allergy shots, and avoiding the substances that cause the reactions. NIH: National Institute of Allergy and Infectious Diseases.  [from MedlinePlus]

MedGen UID:
9370
Concept ID:
C0020517
Pathologic Function
3.

Heredity

The transmission of traits encoded in GENES from parent to offspring. [from MeSH]

MedGen UID:
6814
Concept ID:
C0019266
Molecular Function
4.

Disorder of immune system

Your immune system is a complex network of cells, tissues, and organs that work together to defend against germs. It helps your body to recognize these foreign invaders. Then its job is to keep them out, or if it can't, to find and destroy them. If your immune system cannot do its job, the results can be serious. Disorders of the immune system include. -Allergy and asthma - immune responses to substances that are usually not harmful. -Immune deficiency diseases - disorders in which the immune system is missing one or more of its parts. -Autoimmune diseases - diseases causing your immune system to attack your own body's cells and tissues by mistake. NIH: National Institute of Allergy and Infectious Diseases.  [from MedlinePlus]

MedGen UID:
5759
Concept ID:
C0021053
Disease or Syndrome
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