Anterior triangle of the neck

From Wikipedia, the free encyclopedia

Anterior triangle of the neck
The triangles of the neck. (Anterior triangles to the left; posterior triangles to the right.)
Side of neck, showing chief surface markings. (Nerves are yellow, arteries are red.)
Gray's subject #145 563

The anterior triangle is a region of the neck.

Contents

[edit] Boundaries

It is bounded, in front, by the middle line of the neck; behind, by the anterior margin of the Sternocleidomastoideus; its base, directed upward, is formed by the lower border of the body of the mandible, and a line extending from the angle of the mandible to the mastoid process; its apex is below, at the sternum.

[edit] Divisions

This space is subdivided into four smaller triangles by the Digastricus above, and the superior belly of the Omohyoideus below.

These smaller triangles are named:

[edit] See also

Posterior triangle of the neck

[edit] External links

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.