Prevertebral part
Pars prevertebralis
- Related terms: Prevertebral part; V1 Segment; Vertebral artery : Prevertebral part; Vertebral artery: Prevertebral part; Vertebral artery: Prevertebral part; V1 Segment
Definition
The prevertebral part; V1 segment (preforaminal) of vertebral artery extends from its origin on the subclavian artery to transverse foramen of C6
It runs upward and backward between the Longus colli and the Scalenus anterior. In front of it are the internal jugular and vertebral veins, and it is crossed by the inferior thyroid artery; the left vertebral is crossed by the thoracic duct also. Behind it are the transverse process of the seventh cervical vertebra, the sympathetic trunk and its inferior cervical ganglion.
References
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).
Text by Antoine Micheau, MD - Copyright IMAIOS
