A preparation,such as a drug,a vaccine,or an antitoxin,that is synthesized from living organisms or their products and used medically as a diagnostic,preventive,or therapeutic agent.

• 生物制剂，一种制剂，如药品、疫苗或抗毒素物质由生物或生物产物合成，医学上作诊断、预防或治疗性的药剂。