Occipital triangle

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Occipital triangle
Occipital triangle
Side of neck, showing chief surface markings. (Nerves are yellow, arteries are red.)
Details
Identifiers
Latintrigonum occipitale
TA2242
FMA81001
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
.

  • Muscles of the neck. Anterior view.
    Muscles of the neck. Anterior view.

See also

References

Public domain This article incorporates text in the public domain from page 565 of the 20th edition of Gray's Anatomy (1918)

  • lesson6 at The Anatomy Lesson by Wesley Norman (Georgetown University)