Medial pterygoid nerve
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| Nerve: Medial pterygoid nerve | |
|---|---|
| Mandibular division of the trigeminus nerve. (Internal pterygoid nerve visible but not labeled.) | |
 | |
| Mandibular division of trifacial nerve, seen from the middle line. Nerve to medial pterygoid labeled at bottom. | |
| Latin | n. pterygoideus internus n. pterygoideus medialis |
| Gray's | subject #200 894 |
| Innervates | medial pterygoid, tensor veli palatini, tensor tympani |
| From | mandibular nerve |
| Dorlands / Elsevier | n_05/12566554 |
The medial pterygoid nerve (or internal pterygoid nerve) is a branch off the mandibular nerve that innervates the medial pterygoid muscle, tensor veli palatini and tensor tympani.
Structure
The nerve to the medial pterygoid muscle is a slender branch of the mandibular nerve which enters the deep surface of the muscle; it gives off one or two filaments to the otic ganglion.
The nerve provides physical support for the otic ganglion, but is neurologically distinct.
See also
Additionally, the tensor veli palati is innervated by a branch of the nerve to the medial pterygoid. Of the five paired skeletal muscles to the soft palate, tensor veli palati is the only muscle not innervated by the pharyngeal plexus.
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 As such, some of the information contained herein may be outdated.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.
The cranial nerves: trigeminal nerve | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ophthalmic (V1) | frontal: supratrochlear - supraorbital (lateral branch, medial branch)
nasociliary: long ciliary - infratrochlear - posterior ethmoidal - anterior ethmoidal (external nasal, internal nasal) - sensory root of ciliary ganglion (ciliary ganglion) lacrimal | ||||||||
| maxillary (V2) |
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| mandibular (V3) |
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Acknowledgement and Attribution Regarding Sources of Content
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 .
