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Deep petrosal nerve

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Nerve: Deep petrosal nerve
Gray779
Alveolar branches of superior maxillary nerve and sphenopalatine ganglion. (Deep petrosal labeled at bottom, center-right.)
[[Image:|250px|center|]]
Latin n. petrosus profundus
Gray's subject #200 892
Innervates
From internal carotid plexus
To nerve of pterygoid canal
MeSH [1]

The deep petrosal nerve (large deep petrosal nerve) is given off from the carotid plexus, and runs through the carotid canal lateral to the internal carotid artery.

It then enters the cartilaginous substance which fills the foramen lacerum, and joins with the greater superficial petrosal nerve to form the nerve of the pterygoid canal.

It carries postsynaptic sympathetic nerve fibers to the pterygopalatine ganglion.

These fibers innervate blood vessels and mucous glands of the head and neck.

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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 As such, some of the information contained herein may be outdated.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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