Zygomatic nerve
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| Nerve: Zygomatic nerve | |
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| Distribution of the maxillary and mandibular nerves, and the submaxillary ganglion. (Zygomatic nerve is second from top.) | |
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| 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 |
| Dorlands / Elsevier |
n_05/12567081 |
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.
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[edit] Structure
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.These parasymphatetic fibers come from the facial cranial nerve which is the seventh CN.
[edit] Additional images
 The nerves of the scalp, face, and side of neck. |
[edit] See also
[edit] External links
- Zygomatic+nerve at eMedicine Dictionary
- Norman/Georgetown lesson3 (orbit6)
- Norman/Georgetown cranialnerves (V)
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 As such, some of the information contained herein may be outdated.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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