The scalene triangle lies laterally at the root of the neck, it is the space through which the roots and trunks of the brachial plexus and the third part of the subclavian artery exit the neck. Its inferior boundary is formed by the first rib.
Case Discussion
Image credit: Olek Remesz
No attribution required.
Original file: https://commons.m.wikimedia.org/wiki/File:Musculi_coli_base,_my_edits_for_tringles,_labeled_triangles.svg#mw-jump-to-license
Modifications: square crop and new annotation added
License: This file is licensed under the Creative Commons Attribution ShareAlike 3.0 License. In short: you are free to share and make derivative works of the file under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one. Official license
If you believe your copyright has been infringed, please write to [email protected] giving details of why you believe this is so.
Unable to process the form. Check for errors and try again.