Zygomaticotemporal nerve

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Nerve: Zygomaticotemporal nerve
Distribution of the maxillary and mandibular nerves, and the submaxillary ganglion.
Latin	ramus zygomaticotemporalis nervi zygomatici
Gray's	subject #200 889
From	maxillary nerve
Dorlands / Elsevier	r_02/12692562

The zygomaticotemporal nerve or zygomaticotemporal branch (temporal branch) is derived from the maxillary branch of the trigeminal nerve (Cranial nerve 5). It runs along the lateral wall of the orbit in a groove in the zygomatic bone, receives a branch of communication from the lacrimal, and passes through a foramen in the zygomatic bone to enter the temporal fossa.

It ascends between the bone, and substance of the Temporalis muscle, pierces the temporal fascia about 2.5 cm. above the zygomatic arch, and is distributed to the skin of the side of the forehead, and communicates with the facial nerve and with the auriculotemporal branch of the mandibular nerve.

As it pierces the temporal fascia, it gives off a slender twig, which runs between the two layers of the fascia to the lateral angle of the orbit.

External links

• SUNY Figs 33:05-00
• MedEd at Loyola GrossAnatomy/h_n/cn/cn1/cnb2.htm

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 As such, some of the information contained herein may be outdated.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

v • d • e 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)	in meninges middle meningeal in pterygopalatine fossa zygomatic (zygomaticotemporal, zygomaticofacial) - pterygopalatine (pterygopalatine ganglion see below for details) - posterior superior alveolar in infraorbital canal infraorbital nerve: superior alveolar (middle, anterior) - internal nasal branches on face inferior palpebral - external nasal - superior labial (infraorbital plexus)
mandibular (V3)	in meninges meningeal anterior to muscles of mastication (medial pterygoid/to tensor veli palatini, lateral pterygoid, masseteric, deep temporal) - buccal posterior auriculotemporal (otic ganglion) - lingual (submandibular ganglion) - inferior alveolar (mylohyoid, mental)