costimulatory molecule

costimulatory molecule

membrane-bound or secreted product of accessory cells that is required for signal transduction.

co·stim·u·la·to·ry mol·e·cule

(kō-stim'yū-lă-tōr'ē mol'ĕ-kyūl) Membrane-bound or secreted product of accessory cells that is required for signal transduction.