[TA] the area of the neck bounded by the mandible, the anterior border of the sternocleidomastoid muscle, and the anterior midline of the neck; it is subdivided into carotid, muscular, submandibular, and submental triangles. SYN: regio cervicalis anterior [TA], anterior triangle of neck*, trigonum cervicale anterius*, trigonum colli anterius*, anterior region of neck.
