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Zygomatic nerve

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Nerve: Zygomatic nerve
Distribution of the maxillary and mandibular nerves, and the submaxillary ganglion. (Zygomatic nerve is second from top.)
Nerves of the orbit, and the ciliary ganglion. Side view. (Zygomatic nerve labeled at bottom center.)
Latin nervus zygomaticus
Gray's subject #200 889
From Maxillary nerve
MeSH [1]

The zygomatic nerve (temporomalar nerve; orbital nerve) is a branch of the maxillary nerve (a trigeminal nerve branch) that enters the orbit and helps to supply the skin over the zygomatic and temporal bones.


The zygomatic nerve arises in the pterygopalatine fossa. It enters the orbit by the inferior orbital fissure, and divides at the back of that cavity into two branches, the zygomaticotemporal nerve and zygomaticofacial nerve.

The zygomatic nerve carries sensory fibers from the skin. It also carries post-synaptic parasympathetic fibers (originating in the pterygopalatine ganglion) to the lacrimal nerve via a communication. These fibers will eventually provide innervation to the lacrimal gland.

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 As such, some of the information contained herein may be outdated.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