Anterior triangle of the neck
|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 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.
These smaller triangles are named:
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