also: だっかんさ
Medical term for reducing or eliminating an allergic or immune response through controlled exposure.
Desensitization therapy is sometimes performed as a treatment for hay fever.
Standard kanji spelling for the medical term.
Alternate reading with gemination; less common but recognized.
Compound of 脱 (だつ, 'remove') + 感作 (かんさ, 'sensitization'). The term is a direct translation of the English 'desensitization' in an immunological context.