The small branches seen anteriorly to opticchiasma 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。
2
Conclusion The compression of optic nerves and opticchiasma is responsible for different types of visual field defects caused by saddle area tumors.
结论颅底肿物引起不同类型的视野缺损的原因与压迫视神经、视交叉相关。
3
Objective To provide morphological evidences for visual field defects caused by the compression of optic nerves and opticchiasma by saddle area tumors.