目的学习后交通动脉的显微外科解剖特点。
Objective To study the microsurgical anatomic feature of the posterior communicating artery (PcoA).
方法在控制性低血压下按动脉瘤的解剖特点游离动脉瘤。
Methods Under controlled hypotension the aneurysms were come off on the basis of anatomy.
目的：介绍颊脂垫的来源、位置、解剖特点及运用于临床。
Objective: to introduce the source, position, anatomic features and the clinical applications of buccal fat pads.
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