idiotype

noun id·io·type \ˈid-ē-ə-ˌtīp\

Medical Definition of IDIOTYPE

: the molecular structure and conformation in the variable region of an immunoglobulin that confers its antigenic specificity—compare allotype, isotype

—id·io·typ·ic \ˌid-ē-ə-ˈtip-ik\ adjective

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