Submental triangle

Submental triangle
The triangles of the neck. (Anterior triangles to the left; posterior triangles to the right. Suprahyoid labeled at left.)
Side of neck, showing chief surface markings. (Nerves are yellow, arteries are red.)
Latin	trigonum submentale
Gray's	subject #145 565
Dorlands/Elsevier	t_19/12823617

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

See also

• Anterior triangle of the neck

Additional images

• 

  Muscles of the neck. Anterior view.

• 

  The veins of the neck, viewed from in front.

• 

  Front view of neck.

External links

• Norman/Georgetown lesson6
• SUNY Figs 25:01-03 - "Identification of the subdivsions of the anterior triangle and corresponding borders."
• SUNY Labs 25:19-0101 - "Anterior Triangle of the Neck: The Submental Triangle"

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.