星状的

The sheriff's badge was shaped like a star.

治安官的徽章是星状的。

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围解剖结构的观察，认为星状裂作为恒定的解剖标志是识别额窦的关键区域。筛泡前径路是鼻内镜下额窦放的安全入路，能避径路存在的某些风险。