星状的

The sheriff's badge was shaped like a star.

治徽章是星状。

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解剖结构观察，认为星状裂作为恒定解剖标志是识别额窦口关键区域。筛泡前径路是鼻内镜下额窦放全入路，能避免其他径路存在某些风险。