Nasal process of premaxilla forms the whole posterior margin of the naris.
背突构成整个外鼻孔的后缘。
Posterior margin of lumbar vertebral posterior regional node appeared as arch protruding into spine canal, resulting in stenosis of spine canal and intervertebral foramen.
位于椎体后缘者可导致椎管狭窄，如其后缘断裂则可能合并椎间盘突出。
Methods 12 cases of posterior acetabular margin fractura were treated with SR-PLLA screws. 4 cases complicated with femoral head fractura.
方法应用自身增强可吸收（SR-PLLA）螺钉内固定治疗髋臼后缘骨折12例，其中4例合并股骨头骨折。
Methods 12 cases of posterior acetabular margin fractura were treated with SR-PLLA screws. 4 cases complicated with femoral head fractura.
方法应用自身增强可吸收（SR-PLLA）螺钉内固定治疗髋臼后缘骨折12例，其中4例合并股骨头骨折。
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