anterior port前野anterioradj.前面的；前部的；较早的anterior pituitary hyperfunction垂体前叶功能亢进anterior straight muscle of head头前直肌Anterior wall of tympanic cavity鼓室腔前壁Anterior teeth retraction period前牙内收anterior chamber puncture needle前房穿刺针anterior horn of medial meniscus内侧半月瓣前角anterior lumbar interbody fusion脊柱融合术anterior trans-tracheal muscle前气管横肌anterior cusp of tricuspid valve三尖瓣前突anterior commissure laryngoccope前连合(喉)镜