text: 第二章原发性免疫缺陷病免疫缺陷病（immunodeficiencydiseases，ID）是指免疫系统的器官（如胸腺），免疫活性细胞（如淋巴细胞和吞噬细胞）及免疫活性分子（免疫球蛋白、淋巴因子、补体分子和细胞膜表面分子）发生缺陷引起某种免疫反应能力缺失或降低，导致机体防御能力普遍或部分下降的一组临床综合征。
entities.entity: 原发性免疫缺陷病
entities.label: dis
entities.entity: 免疫缺陷病
entities.label: dis
entities.entity: immunodeficiencydiseases
entities.label: dis
entities.entity: ID
entities.label: dis
entities.entity: 胸腺
entities.label: bod
entities.entity: 免疫活性细胞
entities.label: bod
entities.entity: 淋巴细胞
entities.label: bod
entities.entity: 吞噬细胞
entities.label: bod
entities.entity: 免疫活性分子
entities.label: bod
entities.entity: 免疫球蛋白
entities.label: bod
entities.entity: 淋巴因子
entities.label: bod
entities.entity: 补体分子
entities.label: bod
entities.entity: 细胞膜表面分子
entities.label: bod