Immune System & Allergies terms

Immune cells, immune responses, allergies, vaccines, and immunologic conditions. Browse definitions and meanings below.

328 terms

Terms in this topic

Alphabetical order
  • A type of B-cell non-Hodgkin lymphoma (cancer of the immune system) that is usually indolent (slow-growing).

  • A drug used to treat infections with herpesviruses in people whose immune systems are weakened by AIDS.

  • A drug used to treat infections with herpesviruses in people whose immune systems are weakened by AIDS.

  • The amount of the protein prostate-specific antigen (PSA) in the blood that is not attached to other proteins.

  • A monoclonal antibody combined with a toxic substance that is used to treat certain types of acute myeloid leukemia in older patients and is being studied in the treatment of other types of cancer.

  • A tumor-specific antigen used in the development of cancer vaccines.

  • A peptide (short piece of protein) made from the tumor-specific antigen gp100, and used to make vaccines being studied in the treatment of melanoma.

  • An immune response to a person's tumor cells by immune cells present in a donor's transplanted tissue, such as bone marrow or peripheral blood.

  • A type of immune cell that has granules (small particles) with enzymes that are released during infections, allergic reactions, and asthma.

  • A type of immune cell that has granules (small particles) with enzymes that are released during infections, allergic reactions, and asthma.

  • A vaccine used to prevent cervical cancer caused by human papillomaviruses (HPV) types 16 and 18.

  • A rare type of leukemia in which abnormal B-lymphocytes (a type of white blood cell) are present in the bone marrow, spleen, and peripheral blood.

  • A type of immune cell that stimulates killer T cells, macrophages, and B cells to make immune responses.

  • A rare disorder in which histiocytes and lymphocytes (types of white blood cells) build up in organs including the skin, spleen, and liver, and destroy other blood cells.

  • A substance produced by certain white blood cells in reaction to contact with the human immunodeficiency virus (HIV).

  • HLA

    One of a group of proteins found on the surface of white blood cells and other cells that play an important part in the body's immune response to foreign substances.

  • HLH

    A rare disorder in which histiocytes and lymphocytes (types of white blood cells) build up in organs including the skin, spleen, and liver, and destroy other blood cells.

  • A cancer of the immune system that is marked by the presence of a type of cell called the Reed-Sternberg cell.

  • A cancer of the immune system that is marked by the presence of a type of cell called the Reed-Sternberg cell.

  • A vaccine used to prevent cervical cancer caused by human papillomaviruses (HPV) types 16 and 18.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.