星状的

The sheriff's badge was shaped like a star.

治安官徽章是星状。

Performation of surgical procedures anterior to ethmoid bulla can avoid risks of the other models, therefore, endoscopic frontal sinusotomy in the route anterior to ethmoid bulla is a safe model.

结论通过鼻内镜对额窦口及周围结构观察，认为星状裂作为恒定标志是识别额窦口关键区域。筛路是鼻内镜下额窦放安全入路，能避免其他路存在某些风险。