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Stylohyoid muscle
From Wikipedia, the free encyclopedia
| Stylohyoid | ||
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| The triangles of the neck.(Stylohyoid visible at upper right.) | ||
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| Muscles of the neck. Anterior view. Stylohyoid muscle in purple | ||
| Latin | musculus stylohyoideus | |
| Gray's | subject #112 392 | |
| Origin: | styloid process (temporal) | |
| Insertion: | greater cornu of hyoid bone | |
| Artery: | ||
| Nerve: | facial nerve (CN VII) | |
| Action: | Elevate the hyoid during swallowing | |
| Dorlands/Elsevier | m_22/12550977 | |
The Stylohyoid muscle is a slender muscle, lying in front of, and above the posterior belly of the digastric muscle. It shares this muscle's innervation by the facial nerve.
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It arises from the back and lateral surface of the styloid process of the temporal bone, near the base; and, passing downward and forward, is inserted into the body of the hyoid bone, at its junction with the greater cornu, and just above the Omohyoideus. It thus belongs to the group of suprahyoid muscles.
It is perforated, near its insertion, by the tendon of the Digastricus.
It may be absent or doubled, lie beneath the carotid artery, or be inserted into the Omohyoideus, Thyreohyoideus, or Mylohyoideus.
 Left temporal bone. Outer surface. |
 Hyoid bone. Anterior surface. Enlarged. |
 Superficial dissection of the right side of the neck, showing the carotid and subclavian arteries. |
 Extrinsic muscles of the tongue. Left side. |
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 As such, some of the information contained herein may be outdated.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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| CERVICAL | platysma - sternocleidomastoid |
| SUPRAHYOID | digastric - stylohyoid - mylohyoid - geniohyoid |
| INFRAHYOID/STRAP | sternohyoid - sternothyroid - thyrohyoid - omohyoid |
| VERTEBRAL — ANTERIOR | longus colli - longus capitis - rectus capitis anterior - rectus capitis lateralis |
| LATERAL | scalene (anterior - medius - posterior) |
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