root foramina
英
美
【医】（牙）根尖孔
双语例句
- RESULTS: 78.1% of root canals of first molars had one apical foramen, and two apical foramina mostly occured at mesiobuccal root of maxillary first molar and distal root of mandibular first molar.
结果：上、下颌第一磨牙78.1%的根管有一个根尖孔，上颌第一磨牙两个根尖孔主要发生于近中颊根尖； - In the normal situation, density of nerve root is as seem as that of tissue contrast by epidural fat. It is in the intervertebral foramina of vertebral canal.
正常情况下的神经根在硬膜外脂肪的衬托下表现为软组织密度，位于椎管内，位于椎间孔内，左右基本对称。