sphenoidal ostium

• 蝶窦口

sphenoidal ostium的用法和样例：

例句

1. Conclusion The results suggest that management of anatomic variations surrounding the ostia is very important in the treatment of maxillary ostium.
   结论鼻内窥镜下处理上颌窦自然开口的关键是窦口周围的解剖异常因素。