antigen-presenting cell n.
A cell, originating in the bone marrow and subsequently found as a dendritic cell in various locations, that facilitates the immune response by holding antigens on its surface and presenting them to lymphocytes.
antigenemia antigenemia an·ti·gen·e·mi·a (ān’tə-jə-nē’mē-ə) n. The presence of an antigen in circulating blood.
Immunology. any substance that can stimulate the production of and combine specifically with them. Pharmacology. any commercial substance that, when injected or absorbed into animal tissues, stimulates the production of . antigens of a particular type collectively. noun a substance that stimulates the production of antibodies n. “substance that causes production of an antibody,” 1908, […]
- Antigenic determinant
Immunology, (def 3). noun the specific part of an antigen molecule to which an antibody becomes attached antigenic determinant n. Epitope.
- Antigenic shift
antigenic shift antigenic shift n. A sudden, major change in the antigenic structure of a virus, usually the result of genetic mutation.