Triangles of the neck

Last revised by Craig Hacking on 3 Sep 2020

The triangles of the neck are surgically focussed divisions of the neck, first described from early dissection-based anatomical studies which predated cross-sectional anatomical description based on cross-sectional imaging (see deep spaces of the neck).

The neck can be divided into anterior and posterior triangles by the sternocleidomastoid muscle, and each triangle again further subdivided:

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