The submental triangle is a small triangular region located beneath the chin in the anterior neck. It is bounded by the anterior bellies of the digastric muscles and the body of the hyoid bone. The floor is formed by the mylohyoid muscles. It contains submental lymph nodes and veins that contribute to the formation of the anterior jugular vein. Enlargement of lymph nodes in this area may indicate infection in the lower lip, floor of the mouth, or tip of the tongue. Submental Triangle of the Neck Diagram - Chart - diagrams and charts with labels. This diagram depicts Submental Triangle of the Neck and explains the details of Submental Triangle of the Neck.
Submental Triangle of the Neck