Occipitalis muscle
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| Occipitalis muscle | ||
|---|---|---|
| Visible at center right | ||
 | ||
| Occipital bone. Outer surface. (Red circle at upper right is for occipitalis.) | ||
| Latin | venter occipitalis musculi occipitofrontalis | |
| Gray's | subject #105 379 | |
| Origin: | superior nuchal line of the occipital bone mastoid part of the temporal | |
| Insertion: | galea aponeurosis | |
| Artery: | occipital artery | |
| Nerve: | posterior auricular nerve (facial nerve) | |
| Action: | wrinkles brow | |
| Dorlands/Elsevier | m_22/12549942 | |
The Occipitalis, thin and quadrilateral in form, arises by tendinous fibers from the lateral two-thirds of the superior nuchal line of the occipital bone, and from the mastoid part of the temporal. It ends in the galea aponeurotica.
It is considered by some sources not to be a muscle of its own, but to be a part of the occipitofrontalis muscle.
External links
- PTCentral
- occipital+belly+of+occipitofrontalis+muscle at eMedicine Dictionary
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 As such, some of the information contained herein may be outdated.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.
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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
