Download PowerPoint Trigeminal_nerve_branchesf_2012f

BRANCHES
OF THE
TRIGEMINAL
NERVE
ALL
BRANCHES
OF
TRIGEMINAL
NERVE
ARE LISTED
IN
HANDOOUT
'REFERENCE
HANDOUT:
TRIGEMINAL
NERVE
BRANCHES'
TRIGEMINAL NERVE – SENSORY INNERVATION
TO SKIN OF HEAD – 3 DIVISIONS
V1 –
OPHTHALMIC
DIVISION BoundaryLateral edge
of eye
V2 –
MAXILLARY
Boundary
DIVISON
Lateral
edge
of mouth
V3 –
MANDIBULAR
DIVISION
TRIGEMINAL NERVE - V - GSA + SVE
V1
V2
V3
V1 - OPHTHALMIC Sup. Orbital fissure –
GSA
V2 - MAXILLARY Foramen rotundum –
GSA
V3 - MANDIBULAR - Foramen ovale – GSA
& SVE
TRIGEMINAL NERVE - V
V1
V2
V3
V1 – OPHTHALMIC Sup. Orbital fissure –
GSA
V2 - MAXILLARY Foramen rotundum –
GSA
V3 – MANDIBULAR - Foramen ovale – GSA
& SVE
V1 - OPHTHALMIC - GSA
Supraorbital
Notch (Foramen) to face
Superior
Orbital
Fissure
Ant & Post
Ethmoidal
Foramina to
Nasal Cavity
Nose
Recall : Orbit is used as way to reach face, nasal cavity
Supraorbital
N.
Supratrochlear
N.
Infratrochlear
N.
V1 - OPHTHALMIC ALL GSA
1. Frontal N.
a) Supraorbital N.
b) Supratrochlear N.
Forehead, Upper Eyelid
3. Lacrimal
Ant. and
Post.
Ethmoidal
N.
2. Lacrimal N.
Upper eyelid
1. Frontal
Long
Ciliary
Nn.
V1
2. Nasociliary
3. Nasociliary N.
a) Ant. and Post.
Ethmoidal N.
Nasal Cavity
Ethmoid Sinus , Tip of Nose
b) Long Ciliary N.
Sensory to Cornea
c) Infratrochlear N.
Upper eyelid, Nose
TRIGEMINAL – SENSORY BRANCHES TO FACE
LACRIMAL
N.
V2 – MAXILLARY to skin of cheek
below orbit Zygomaticotemporal
Zygomaticofacial
Infraorbital
V3- MANDIBULAR to skin of jaw and face
below angle of mouth Auriculotemporal
Buccal
Mental
SUPRAORBITAL N.
SUPRATROCHLEAR N.
INFRATROCHLEAR N.
EXTERNAL
NASAL N.
V1 – OPHTHALMIC to skin above orbit a. Lacrimal
b. Supraorbital
c. Supratrochlear
d. Infratrochlear
e. External Nasal Nerve
(branch of Ant. Ethmoidal N.)
TRIGEMINAL NERVE - V
V1
V2
V3
V1 – OPHTHALMIC Sup. Orbital fissure –
GSA
V2 - MAXILLARY Foramen rotundum –
GSA
V3 – MANDIBULAR - Foramen ovale – GSA
& SVE
V2 - MAXILLARY - GSA
V2 - Maxillary enters
Pterygopalatine Fossa
NOSE
LATERAL PTERYGOID PLATE
Pterygomaxillary
Fissure
note:
Pterygomaxillary
fissure is slit
between lateral
pterygoid plate
and maxillary bone;
Pterygopalatine
fossa is space
medial to slit
MAXILLARY BONE
V2 - MAXILLARY - GSA
1. Meningeal Branch
Dura of Middle
Cranial Fossa (not shown)
Nasal
Branches
NasoPalatine
Greater
Palatine
2. Ganglionic branches
V2 a) Greater Palatine N.
Hard Palate
b) Lesser Palatine N.
Soft Palate
c) Nasopalatine
Nasal Cavity
Ant. part of hard Palate
d) Nasal Branches
Lesser
Nasal Cavity
Palatine
Note: V2 branches from Pterygopalatine Fossa to Nasal Cavity are
deep and can only be seen on bisected head
V2 - MAXILLARY - GSA
Inferior Orbital Fissure
Pterygomaxillary
Fissure
Post. Sup
Alveolar For.
V2 - MAXILLARY - GSA
Nose
Infraorbital
Zygomatic
V2
3. Posterior
Superior Alveolar
Maxillary molar teeth
4. Infraorbital
Lower eyelid, nose,
upper lip
a) Ant. & Mid Sup
Alveolar
Other Maxillary teeth
Post
Sup. Alveolar
5. Zygomatic - br.
a) Zygomaticofacial
b) Zygomaticotemporal
Skin of check, temporal
region
TRIGEMINAL – SENSORY BRANCHES TO FACE
V2 – MAXILLARY to skin of cheek
below orbit a. Zygomaticotemporal
b. Zygomaticofacial
c. Infraorbital
ZYGOMATICOTEMPORAL N.
V1 – OPHTHALMIC to skin above orbit Lacrimal
Supraorbital
Supratrochlear
Infratrochlear
External Nasal Nerve
ZYGOMATICOFACIAL N.
INFRAORBITAL N.
V3- MANDIBULAR to skin of jaw and face
below angle of mouth Auriculotemporal
Buccal
Mental
NOTE: These are branches
of V to face
- Full list of all branches of
V is on CD:
Reference_handout_list_of
_Trigeminal_nerve_branch
es_2010.doc
TRIGEMINAL NERVE - V
V1
V2
V3
V1 – OPHTHALMIC Sup. Orbital fissure –
GSA
V2 - MAXILLARY Foramen rotundum –
GSA
V3 – MANDIBULAR Foramen ovale – GSA
& SVE
TRIGEMINAL NERVE SVE - FIRST BRANCHIAL ARCH MUSCLES
V3 - MANDIBULAR - GSA + SVE
Deep
Temporal
Buccal
Branch
Of
Trigeminal
1. Nervus Spinosus
Dura of Middle Cranial
Fossa (not shown)
2. Motor to
Medial Pterygoid
Tensor Tympani
Tensor Palati (not shown)
3. Ant Division
N. To Lat
Pterygoid
a. Nerve to Lat. Pterygoids
b. Masseteric N.
c. Deep Temporal
To Temporalis
d. Buccal Branch
Of Trigeminal
Sensory to Cheek
V3 - MANDIBULAR - GSA + SVE
Post Division
AuriculoTemporal
Lingual
Inferior
Alveolar
N. TO
MYLOHYOID
a. Auriculotemporal
Skin of Temple, Scalp
External ear, TMJ
b. Lingual
Touch to Ant 2/3
Tongue
c. Inf. Alveolar N.
Sens to Lower Teeth
i) Mental N.
Skin Lower Jaw
ii) Nerve to Mylohyoid Motor to Mylohyoid
& Ant. Belly of Digastric
MENTAL N.
TRIGEMINAL – SENSORY BRANCHES TO FACE
V2 – MAXILLARY to skin of cheek
below orbit Zygomaticotemporal
Zygomaticofacial
Infraorbital
V1 – OPHTHALMIC to skin above orbit Lacrimal
Supraorbital
Supratrochlear
Infratrochlear
External Nasal Nerve
AURICULOTEMPORAL N.
BUCCAL N.
V3- MANDIBULAR to skin of jaw and face
below angle of mouth a. Auriculotemporal
b. Buccal
c. Mental
MENTAL N.