The origin of the vertebral artery the thyrocervical trunk is very similar.

椎动脉和甲状颈干的来源相似。

The origin of the vertebral artery, the thyrocervical trunk and the internal mammary artery is very constant.

椎动脉，颈干和乳内动脉的起源非常恒定。

Objective: to provide anatomical data of vertebral artery groove for clinical?

目的：为临床、科研提供寰椎椎动脉沟的解剖学资料。

Purpose: To investigate the application of multi-slice helical CT in vertebral artery imaging.

目的：探讨多层面螺旋CT技术在椎动脉成像中的应用。

Spiral ct angiography (SCTA) can clearly show the vertebral artery and its adjacent structures.

螺旋ct血管造影能清晰显示椎动脉及其毗邻关系。