Spinal epidural abscesses may be located anteriorly or posteriorly within the spinal canal.
脊髓硬膜外脓肿可以位于椎管前部或后部。
The posterior ethmoid cells are easily identified as they are larger, wider, and fewer in number than anteriorly.
后组筛窦的气房一般大而宽，在数量上也少于前组筛窦，容易确定。
Grade discs at all levels moved posteriorly in flexion and anteriorly in extension when compared to neutral posture.
在所有水平的I级椎间盘，与中立位相比，在屈曲位向后、伸展位向前膨出。
The paired vocal folds are located in the larynx, coursing from the thyroid cartilage anteriorly to the arytenoids cartilages posteriorly.
成对的声带位于喉，流淌于甲状软骨前方杓状软骨后部。
Using a cadaveric model, we investigated the feasibility of harvesting an anteriorly based mucoperiosteal flap from the lateral nasal wall.
采用尸头模型，我们研究了一个基底部在前方的鼻腔外侧壁的粘骨膜皮瓣。
The small branches seen anteriorly to optic chiasma in the chiasmatic cistern were almost always the branches of superior hypophyseal artery.
在视交叉池内，垂体柄前方所见的小动脉几乎均属于垂体上动脉的分支。
When deviation occurs anteriorly and inferiorly (that is, in the area of the internal nasal valve), it is more likely to be a source of obstruction.
而当鼻中隔偏曲出现得较为靠前靠下时(即内鼻阀部位)，它可能会成为鼻阻塞出现的原因之一。
The following M—mode echocardiographic manifestations were noticed: 1. There appeared a fluttering and anteriorly moving lineal echo in the aortic lumen during systole;
其M型超声心动图表现为：1。主动脉腔内舒张期可见一条扑动的线性回声；
The following M—mode echocardiographic manifestations were noticed: 1. There appeared a fluttering and anteriorly moving lineal echo in the aortic lumen during systole;
其M型超声心动图表现为：1。主动脉腔内舒张期可见一条扑动的线性回声；
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