text: 2.促性腺激素释放激素（GnRH）兴奋试验亦称LHRH兴奋试验，其原理是通过GnRH刺激垂体分泌LH和FSH，从而评价垂体促性腺激素细胞储备功能，本试验对性腺轴功能已启动而促性腺激素基础值不升高者是重要的诊断手段，对鉴别中枢性与外周性性早熟具有重要意义。
entities.entity: 促性腺激素释放激素（GnRH）兴奋试验
entities.label: ite
entities.entity: LHRH兴奋试验
entities.label: ite
entities.entity: GnRH
entities.label: bod
entities.entity: 垂体
entities.label: bod
entities.entity: LH
entities.label: bod
entities.entity: FSH
entities.label: bod
entities.entity: 垂体促性腺激素细胞
entities.label: bod
entities.entity: 性腺轴
entities.label: bod
entities.entity: 促性腺激素
entities.label: bod
entities.entity: 中枢性与外周性性早熟
entities.label: dis