Zygomatic nerve

zygomatic branch
The zygomatic nerve is not to be confused with the zygomatic branches of the facial nerve.wikipedia
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Maxillary nerve

maxillarymaxillary divisionpalatine nerve
The zygomatic nerve (temporomalar nerve; orbital nerve) is a branch of the maxillary nerve (CN V 2, itself a branch of the trigeminal nerve) that enters the orbit and helps to supply the skin over the zygomatic and temporal bones.

Zygomatic bone

cheekbonezygomaticcheek bone
The zygomatic nerve (temporomalar nerve; orbital nerve) is a branch of the maxillary nerve (CN V 2, itself a branch of the trigeminal nerve) that enters the orbit and helps to supply the skin over the zygomatic and temporal bones.
The zygomatic nerve passes through the zygomatic-orbital foramen on this surface.

Inferior orbital fissure

Fissura orbitalis inferiorinferior orbitalsphenomaxillary fissure
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, which exit the orbit using identically named foramina.
The lateral wall and the floor of the orbit are separated posteriorly by the inferior orbital fissure which transmits the zygomatic branch of the maxillary nerve and the ascending branches from the pterygopalatine ganglion.

Zygomaticotemporal nerve

zygomaticotemporalzygomaticotemporal branch
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, which exit the orbit using identically named foramina.
It is derived from the zygomatic nerve, a branch of the maxillary nerve.

Lacrimal nerve

lacrimallacrimal branches
It also carries post-synaptic parasympathetic fibers (originating in the pterygopalatine ganglion) to the lacrimal nerve via a communication.
In the orbit it runs along the upper border of the lateral rectus, with the lacrimal artery, and communicates with the zygomatic nerve, a branch of the maxillary nerve.

Pterygopalatine ganglion

sphenopalatine ganglionpterygopalatineMeckel's ganglion
It also carries post-synaptic parasympathetic fibers (originating in the pterygopalatine ganglion) to the lacrimal nerve via a communication.
It also sends postganglionic parasympathetic fibers to the lacrimal nerve (a branch of the Ophthalmic nerve, also part of the trigeminal nerve) via the zygomatic nerve, a branch of the maxillary nerve (from the trigeminal nerve), which then arrives at the lacrimal gland.

Zygomaticofacial nerve

zygomaticofacial branch
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, which exit the orbit using identically named foramina.

Lacrimal gland

lacrimal glandslacrimaltear glands
These fibers will eventually provide innervation to the lacrimal gland.
In the pterygopalatine fossa itself, the parasympathetic secretomotor fibers branch off with the zygomatic nerve and then branch off again, joining with the lacrimal branch of the ophthalmic division of CN V, which supplies sensory innervation to the lacrimal gland along with the eyelid and conjunctiva.

Zygomatic branches of the facial nerve

zygomatic branchzygomaticZygomatic branches of facial nerve
The zygomatic nerve is not to be confused with the zygomatic branches of the facial nerve.
* Zygomatic nerve

Trigeminal nerve

trigeminalCN VV
The zygomatic nerve (temporomalar nerve; orbital nerve) is a branch of the maxillary nerve (CN V 2, itself a branch of the trigeminal nerve) that enters the orbit and helps to supply the skin over the zygomatic and temporal bones.

Orbit (anatomy)

orbitorbitseye socket
The zygomatic nerve (temporomalar nerve; orbital nerve) is a branch of the maxillary nerve (CN V 2, itself a branch of the trigeminal nerve) that enters the orbit and helps to supply the skin over the zygomatic and temporal bones.

Temporal bone

temporalPetrous ridgetemporals
The zygomatic nerve (temporomalar nerve; orbital nerve) is a branch of the maxillary nerve (CN V 2, itself a branch of the trigeminal nerve) that enters the orbit and helps to supply the skin over the zygomatic and temporal bones.

Pterygopalatine fossa

pterygopalatinepterygopalatine foramen
The zygomatic nerve arises in the pterygopalatine fossa.

Taste

sourbittergustatory
The greater petrosal, lesser palatine and zygomatic nerves all synapse here.

Preorbital gland

facial glandspreorbitalpreorbital scent gland