Hypersensitivity, Delayed

Delayed Hypersensitivities; Delayed Hypersensitivity; Hypersensitivities, Delayed; Hypersensitivities, Tuberculin-Type; Hypersensitivities, Type IV; Hypersensitivity, Tuberculin Type; Tuberculin Type Hypersensitivity; Tuberculin-Type Hypersensitivities
An increased reactivity to specific antigens mediated not by antibodies but by cells.