id·i·o·type ( d  - -t p )n. A determinant that confers on an immunoglobulin molecule an antigenic individuality that is analogous to the individuality of the molecule's antibody activity. |
idiotype
[id′ē·ətīp′]
Etymology: Gk, idios + typos, mark
the portion of an immunoglobulin molecule that confers the molecule's unique character, most often including its antigen-binding site.
idiotype (iˈ·dē·ō·tīpˑ),
n the region of an immunoglobulin molecule responsible for the unique characteristics of the molecule. In most cases, this includes the antigen-binding location.
idiotype
the antigenic characteristic of the variable region of an antibody. A set of idiotopes. Called also Id.
cross-reacting idiotype (IdX)
one that is present on other immunoglobulins produced in response to the same antigen, permitting a cross reaction. See also cross-reaction.
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