Submental triangle
Appearance
Submental triangle | |
---|---|
![]() Submental triangle | |
![]() Side of neck, showing chief surface markings. (Nerves are yellow, arteries are red.) | |
Details | |
Identifiers | |
Latin | trigonum submentale |
TA98 | A01.2.02.006 |
TA2 | 233 |
FMA | 61604 |
Anatomical terminology |
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 midline 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
NERVES ,,MOTOR: MYLOHYOID (MYLOHYOID MUSCLE AND ANTERIOR BELLY OF DIGASTRIC )AND CERVICAL BRANCH OF FACIAL NERVE TO PLATYSMA SENSORY : ANTERIOR CUTANEOUS NERVE C2 + C3 .
See also
Additional images
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Muscles of the neck. Anterior view.
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The veins of the neck, viewed from in front.
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Front view of neck.
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The triangles of the neck. (Anterior triangles to the left; posterior triangles to the right. Suprahyoid labeled at left.)
External links
- lesson5 at The Anatomy Lesson by Wesley Norman (Georgetown University) (necktriangle)
- lesson6 at The Anatomy Lesson by Wesley Norman (Georgetown University)
- Anatomy figure: 25:01-03 at Human Anatomy Online, SUNY Downstate Medical Center - "Identification of the subdivsions of the anterior triangle and corresponding borders."
- Anatomy photo:25:19-0101 at the SUNY Downstate Medical Center - "Anterior Triangle of the Neck: The Submental Triangle"
This article incorporates text in the public domain from page 565 of the 20th edition of Gray's Anatomy (1918)