Occipital triangle
Appearance
Occipital triangle | |
---|---|
![]() Occipital triangle | |
![]() Side of neck, showing chief surface markings. (Nerves are yellow, arteries are red.) | |
Details | |
Identifiers | |
Latin | trigonum occipitale |
TA2 | 242 |
FMA | 81001 |
Anatomical terminology |
The occipital triangle, the larger division of the posterior triangle, is bounded, in front, by the
Omohyoideus
.
Its floor is formed from above downward by the
Scalenus medius
and posterior.
It is covered by the skin, the superficial and deep fasciæ, and by the
Platysma
below.
The
transverse cervical vessels and the upper part of the brachial plexus
cross the space.
The roof of this triangle is formed by the cutaneous nerves of cervical plexus and the external jugular vein and platysma muscle.
A chain of
Sternocleidomastoideus, from the mastoid process to the root of the neck
.
Gallery
-
Muscles of the neck. Anterior view.
See also
References
This article incorporates text in the public domain from page 565 of the 20th edition of Gray's Anatomy (1918)
External links
- lesson6 at The Anatomy Lesson by Wesley Norman (Georgetown University)