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V1 – OPHTHALMIC -Sup. Orbital fissure – GSAV2 - MAXILLARY - Foramen rotundum – GSAV3 – MANDIBULAR - - Foramen ovale – GSA & SVE
TRIGEMINAL NERVE - V
V1
V2
V3
V1 – OPHTHALMIC -Sup. Orbital fissure – GSAV2 - MAXILLARY - Foramen rotundum – GSAV3 – MANDIBULAR - - Foramen ovale – GSA & SVE
TRIGEMINAL NERVE - V
V1
V2
V3
Superior Orbital Fissure
SupraorbitalNotch (Foramen) to face
Nose
V1 - OPHTHALMIC - GSA
Ant & PostEthmoidal Foramina to Nasal Cavity
Recall : Orbit is used as way to reach face, nasal cavity
Nasociliary
1. Frontal N. a) Supraorbital N. b) Supratrochlear N.Forehead, Upper Eyelid
2. Lacrimal N.Upper eyelid
3. Nasociliary N.a) Ant. and Post. Ethmoidal N.Nasal CavityEthmoid Sinus , Tip of Noseb) Long Ciliary N.Sensory to Corneac) Infratrochlear N.Upper eyelid, Nose
V1 - OPHTHALMIC - GSA
Frontal
Lacrimal
V1
V1 – OPHTHALMIC -Sup. Orbital fissure – GSAV2 - MAXILLARY - Foramen rotundum – GSAV3 – MANDIBULAR - - Foramen ovale – GSA & SVE
TRIGEMINAL NERVE - V
V1
V2
V3
PterygomaxillaryFissure
V2 - Maxillary entersPterygopalatine Fossa
V2 - MAXILLARY - GSA
note:Pterygomaxillaryfissure is slitbetween lateralpterygoid plateand maxillary bone;Pterygopalatinefossa is spacemedial to slit
MAXILLARY BONE
LATERAL PTERYGOID PLATE
NOSE
1. Meningeal BranchDura of Middle Cranial Fossa
2. Ganglionic branchesa) Greater Palatine N.Hard Palateb) Lesser Palatine N.Soft Palatec) NasopalatineNasal CavityAnt. part of hard Palated) Nasal BranchesNasal Cavity
V2
Nasal Branches
Naso-Palatine
Greater Palatine
LesserPalatine
V2 - MAXILLARY - GSA
Note: V2 branches from Pterygopalatine Fossa to Nasal Cavity are deep and can only be seen on bisected head
Post. SupAlveolar For.
PterygomaxillaryFissure
Inferior Orbital Fissure
V2 - MAXILLARY - GSA
Zygomatic
Infraorbital
3. PosteriorSuperior AlveolarMaxillary molar teeth
4. InfraorbitalLower eyelid, nose, upper lipa) Ant. & Mid SupAlveolarOther Maxillary teeth
5. ZygomaticSkin of check
PostSup. Alveolar
V2 - MAXILLARY - GSANose
V1 – OPHTHALMIC -Sup. Orbital fissure – GSAV2 - MAXILLARY - Foramen rotundum – GSAV3 – MANDIBULAR - Foramen ovale – GSA & SVE
TRIGEMINAL NERVE - V
V1
V2
V3
DeepTemporal
1. Nervus SpinosusDura of Middle CranialFossa
2. Motor to Medial PterygoidTensor TympaniTensor Palati
3. Ant Division
a. Nerve to Lat. Pterygoidsb. Masseteric N.c. Deep TemporalTo Temporalisd. Buccal BranchOf TrigeminalSensory to Cheek
N. To LatPterygoid
V3 - MANDIBULAR - GSA + SVE
Buccal BranchOf Trigeminal
Auriculo-Temporal
Post Division
a. AuriculotemporalSkin of Temple, ScalpExternal ear, TMJb. LingualTouch to Ant 2/3Tonguec. Inf. Alveolar N.Sens to Lower Teethi) Mental N.Skin Lower Jawii) Nerve to MylohyoidMotor to Mylohyoid& Ant. Belly of Digastric
InferiorAlveolar
Lingual
V3 - MANDIBULAR - GSA + SVE
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