CN5. Trigeminal nerve and V1, V2, V3 Flashcards
Trigeminal nerve 2 routes . 1. Sensory :- 2. Motor :- Sensory route arise from :- Motor route arise from :-
Sensory route Trigeminal ganglion is present in :- Gives three branches 1. 2. 3. Sensory nerves are :- Mixed nerve is :-
183
Image :-
183
Mandibular nerve pass through :- Maxillary nerve pass through :- Ophthalmic nerve pass through :- Branches of ophthalmic nerve V1 is 1. 2. 3. Pass via :-
184
Nerves passing through superolateral compartment of superior orbital fissure is :-
1.
2.
3.
184
Structure passing through common tendinous ring of superior ornpbutal fissure is ( branch of ophthalmic V1 , occulomotor nerve and abducens nerve ) 1. 2. 3. 4.
184
Lacrimal ( branch of ,,,,,,,,,)
Has fibers :-,,,,,,,,,,,,,( branch of ,,,,,,,)
Supplies :-
Frontal nerve
Branches are :- l
Supplies :-
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Nasocillary nerve :- Attach to :- ,,,,,,,,,,,,,ganglion Branches 1. 2.
Long ciliary nerve supplies :- Anterior and posterior ethmoidal nerve supplies :- 1., 2. 3.
185
Ciliary ganglion :-
Lies between :-
Branch :-
185
Sensory route of Trigeminal :-
- Sensory route ( to eyeball )
- Parasympathetic route ( to ciliary muscle and sphincter pupellie / constrictor pupille)
- Sympathetic (to dilator papillae )
185-186
Sensory route :- read :-
185
Parasympathetic Nucleus :- Via :- ( Branch ) :- Relayed in :- With branch of Trigeminal :- Supplies 1. 2.
186
Sympathetic route
Origin :-plexus over :-
Derived :-
Supplies :-
186
Maxillary nerve
187
187
Maxillary nerve Origin :- Course :- Via foramen :- Enters :- Suspends :- Via :- Enters :- Forms :- Enters foramen :- Divides into 1. 2. 3. Meningitis branch of maxillary nerve supplies 1. 2. In pterigoplatine fossa maxillary nerve gives 1. 2.
187-188
Nerve supply of maxillary sinus :-
1.
2.
3.
188
Pterigoplatine ganglion :-
Connection
Typographically :-
Functionally :-
Glands supplied by Pterigoplatine ganglion are
1.
2.
3.
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Parasympathetic pathway
Lacrimatory nucleus is :- Via :- to ganglion :- Via nerve :- Suspends :- Ganglion To 1. Nasal branch to :- 2. Zygomatic branch via zygomaticotemporal to ,,,,,,,lacrimal nerve to :- 3.lesser playtime nerve to :-
189
Mandibular nerve :- Origin :- 2 routes :- Motor :- origin :- Sensory :-
189
Mandibular nerve Via foramen :- Forms :- Attachment to ganglion :- Branches of mandible via otic ganglion 1. 2.
Nerve to medial pypterigoid supplies
1.
2.
1arch derivatives :-
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Mandibular nerve Anterior division :- Motor 1. 2. 3. Sensory Buccal nerve pierces :- Supply :-
Posterior nerves
1.
2.
3
190
Structures piercing Buccinator muscle :-
1.
2.
3.
191
Muscles of mastication and nerve supply 1. 2. 3. 4.
191
Posterior division of mandibular nerve :-
Middle meningeal artery
Location :-
Post ganglionic parasympathetic pathway :- Inferior salivary nucleus :- 9th cranial nerve Otic ganglion Auriculotemporal nerve Parotidgland
191
Frey’s syndrome Aka :- gustatory sweating syndrome :- Injury to :- Regenerate :- Innervates :-
191
Inferior alveolar nerve Sensory branch via :- foramen 1. 2. Motor branch :- Nerve to ,,,,,,,,,,,,supplies 1. 2.
192
Lingual nerve :- Lingual nerve + ,,,,,,,,,,.,.. nerve Suspends :- ,,,,,,,,,,,,,,,ganglion :- Supplies 1. 2. 3.
191
Otic ganglion :- Relation :- Medially :- Laterally :- Above :- Behind :-
Attachment :-
Topographically :-
Functionally :-
Supplies :-
191
Parasympathetic pathway :- Inferior salivary nucleus Glossopharyngeal nerve Tympanic branch of 9th CN Tympanic plexus Lesser petrosal nerve Otic ganglion Auriculotemporal nerve Parotid gland
207
Submandibular ganglion Location :- Attachment Topographically :- Functionally :- Supplies :- 1. 2.
192
Parasympathetic pathway :- Superior salivary nucleus Facial nerve Chorda tympani Lingual nerve Submandibular ganglion 1. Submandibular gland 2. Sublingual gland
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