Because MRA could show the anatomicposition of all cerebral arteries and branches in a 3d mode, it could be used for differentiating small aneurysms from vascular twists.
MRA能清晰显示全脑或每支脑动脉的三维解剖，有利于小动脉瘤与血管折曲的鉴别。
2
It dives correlative radian differences between patellar and NT-PC from 5-9 directions to concentrate the comminuted patella on anatomicposition until union under skin temperature.
利用它与髌骨的弧差，皮温驱之从5 ~ 9个方向将碎骨聚合于解剖位直至愈合。
3
The shape and position of this unit, the thickness of the overlying skin, and the fibrous attachments to the adjacent anatomic structures are interrelated and determine the appearance of the tip.