摘要
目的积累椎动脉第三段的形态学资料,为临床应用提供解剖学依据。方法15例(30侧)成人尸体标本,解剖观察椎动脉第三段形态及枕下区结构,测量椎动脉和枕动脉长度、外径。结果椎动脉第三段有明显而连续的多个弯曲,椎动脉第三段全长(55.77±10.02)mm,枕动脉长(86.51±11.06)mm,与椎动脉距离(15.36±0.75)mm。结论椎动脉第三段的连续弯曲可适应头颈部复杂的运动,椎动脉第三段的显露常采用侧方入路,偶尔可采用颈前入路。显露椎动脉第三段可进行血管结扎、内膜切除和血管重建操作。枕下区有如下解剖标志:上枕下三角和颈1神经后支,下枕下三角和颈2神经前支,颈1横突,颈1后弓,椎静脉丛。
[Objective]To accumulate the morphological data and provide the basis of microvaseular anatomy for clinical treatment. [Methods]Fifteen adult cadaver heads（30 sides） were used in the study. The morphology of the vertebral arteries was observed and their dimensions measured with the aid of an operating microscope. [Results]The third segments of the vertebral arteries were tortuous. The external diameters of left vertebral arteries （4.16±0.62）mm were larger than the right ones （3.72±0.38） mm. The length of the third segment of the vertebral artery was（55, 77±10, 02）mm, while the length of the occipital artery was （86.51± 11.06）mm. [Conclusion]The third segment of the vertebral artery is tortuous to enable the movements of the neck. l.ateral approach is often used to expose the third segment of the vertebral artery. Anatomy marks are important in the suboccipital region operations.
出处
《医学临床研究》
CAS
2006年第11期1785-1788,共4页
Journal of Clinical Research
