Submental triangle

The submental triangle (or suprahyoid triangle) is a division of the anterior triangle of the neck.

Boundaries
It is limited:
 * behind by the anterior belly of the Digastricus,
 * in front by the middle line of the neck between the mandible and the hyoid bone;
 * below, by the body of the hyoid bone;
 * its floor is formed by the Mylohyoideus.

Contents
It contains:
 * one or two lymph glands, the submental lymph nodes
 * some small veins; the latter unite to form the anterior jugular vein