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Trigeminal and Associated Nerves > Trigeminal and Associated Nerves > Flashcards

Trigeminal and Associated Nerves Flashcards

1
Q

What nerve provides general sensory to the lateral upper eyelid, lacrimal gland and some conjunctiva?

A

Lacrimal nerve (branch of Opthalmic division V1) *contains post-ganglionic parasympathetic fibers from pterygopalatine ganglion going to lacrimal gland originating in the Facial nerve

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2
Q

What nerve provides general sensory to the skin of the UPPER eyelid, forehead and and scalp?

A

Supraorbital nerve (<–V1)

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3
Q

What are the three main branches of V1?

A

Lacrimal, frontal and nasocilliary nerves

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4
Q

What nerve provides general sensory to MEDIAL part of upper eyelid, forehead and scalp?

A

Supratrochlear nerve (frontal nerve<–V1)

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5
Q

What are the four main branches of the nasocilliary nerve?

A

long cilliary, posterior ethmoid, anterior ethmoid and infratrochlear nerves

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6
Q

What provides general sensory innervation to the eyeball?

A

long ciliary nerves (they contain post-ganglionic sympathetic fibers from the carotid plexus going to the dilator pupillae muscle)

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7
Q

What nerve provides general sensory innervation to sphenoid sinus, ethmoid air cells and nasal cavity?

A

Posterior ethmoid nerve (<–V1)

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8
Q

What nerve provides general sensory innervation to the ethmoid air cells and nasal cavity?

A

Anterior ethmoidal nerve (<–V1)

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9
Q

What is the branch of the anterior ethmoidal nerve that provides general sensory to the bridge of the nose?

A

External nasal branch (<–V1)

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10
Q

What nerve provides general sensory innervation to the medial upper eyelid and lacrimal sac?

A

Infratrochlear nerve (<–V1)

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11
Q

What is the ganglion for the parasympathetic synapses of the occulomotor nerve?

A

Cilliary ganglion (located in the orbit with V1)

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12
Q

What are some of the additional fibers that pass through the cilliary ganglion?

A

Post-ganglionic sympathetic fibers and sensory fibers from the nasocilliary nerve

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13
Q

What are the main branches of the trigeminal nerve in the pterygopalatine fossa?

A

Posterior superior alveolar, zygomatic, greater palatine, lesser palatine, nasopalatine, posterior lateral nasal and pharyngeal nerves

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14
Q

What are the branches of the maxillary division of the trigeminal nerve in the infraorbital canal?

A

Infraorbital nerve which branches to middle superior alveolar (MSA) and anterior superior alveolar (ASA) nerves

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15
Q

What are the terminal branches of V2?

A

inferior palepbral, lateral nasal and superior labial nerves

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16
Q

Pterygopalatine ganglia (location)

A

It is located in the pterygopalatine fossa with V2 and actually hangs down from V2. It is the ganglion for parasympathetic synapses of the facial nerve VII.

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17
Q

Other fibers that can pass through the pterygopalatine ganglia include…

A

post-ganglionic sympathetic fibers and sensory fibers from greater palatine, lesser palatine and sphenopalatine nerves and taste fibers from the facial nerve

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18
Q

What nerve provides general sensory innervation to the maxillary sinus, maxillary molars, gingiva and bone?

A

Posterior superior alveolar nerve

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19
Q

What nerve provides general sensory innervation to the lateral face?

A

Zygomatic nerve *It contains post-ganglionic parasympathetic fibers from pterygopalatine ganglion going to the lacrimal gland originating from the facial nerve

20
Q

What provides general sensory innervation to the skin over the zygomatic arch?

A

Zygomatico-facial nerve

21
Q

What provides general sensory innervation to the skin of the anterior temporal region?

A

Zygomatico-temporal nerve

22
Q

What provides general sensory innervation to the posterior hard palate distal to the canines?

A

Greater palatine nerve *It contains post-ganglionic parasympathetic fibers from pterygopalatine ganglion and special sensory (taste) fibers going to the palate from their origin in the facial nerve.

23
Q

What provides general sensory innervation to the soft palate?

A

Lesser palatine nerve *Contains post-ganglionic fibers from pterygopalatine ganglion and special sensory (taste) fibers going to the palate from their origin in the facial nerve

24
Q

What provides general sensory innervation to the nasal septum and hard palate anterior to the canines?

A

Nasopalatine nerve *Contains post-ganglionic parasympathetic fibers from pterygopalatine ganglion going to the nasal cavity from their origin in the facial nerve

25
Q

What provides general sensory innervation to the lateral nasal wall?

A

Posterior lateral nasal nerves

26
Q

What provides general sensory innervation to the nasopharynx?

A

Pharyngeal nerve

27
Q

What provides general sensory innervation to the maxillary sinus, premolar teeth, buccal gingiva and bone?

A

Middle superior alveolar nerve (a branch of V2 in the infraorbital canal)

28
Q

What provides general sensory innervation to the maxillary sinus, incisor and canine teeth, buccal gingiva and bone?

A

Anteior superior alveolar nerve (a branch of V2 in the infraorbital canal)

29
Q

What provides general sensory innervation to the skin of the lower eyelid?

A

Inferior palpebral nerve (a terminal branch of V2)

30
Q

What provides general sensory innervation to the skin of the upper lip and cheek?

A

Superior labial nerve (a terminal branch of V2)

31
Q

What provides general sensory innervation to the skin of the lateral nose?

A

Lateral nasal nerve (a terminal branch of V2)

32
Q

What are the four branches of the mandibular division (V3) of the trigeminal nerve off of the main trunk?

A

Recurrent meningeal nerve (general sensory to dura of middle cranial fossa), nerve to medial pterygoid (motor), nerve to tensor veli palatini (motor) and nerve to tensor tympani (motor)

33
Q

What are the four branches of V3 off of the anterior division?

A

Nerve to lateral pterygoid (motor), nerve to masseter (motor), deep temporal (motor) and long buccal nerve (general sensory to cheek and mandibular buccal gingiva)

34
Q

What are the five branches of V3 off of the posterior division?

A

Auriculotemporal, inferior alveolar, mylohyoid, mental and lingual nerves

35
Q

What provides general sensory innervation to the TMJ, auricle, skin of temple and lateral scalp?

A

Auriculotemporal nerve (branch off posterior division of V3)

36
Q

What provides general sensory innervation to mandibular teeth and bone?

A

Inferior alveolar nerve (branch off posterior division of V3)

37
Q

What provides general sensory innervation to the cheek and mandibular buccal gingiva?

A

Long buccal nerve (branch off anterior division of V3)

38
Q

What provides motor innervation to the mylohoid muscle?

A

Mylohyoid nerve (branch off IA nerve off posterior division of V3)

39
Q

What provides general sensory innervation to the skin of the chin, lower lip and labial gingiva?

A

Mental nerve (branch off IA nerve off posterior division of V3)

40
Q

What provides general sensory innervation to the floor of the mouth, lingual gingiva and anterior 2/3 of the tongue?

A

Lingual nerve (branch off posterior division of V3)

41
Q

What special sensory fibers are associated with the lingual nerve?

A

Special sensory (taste) fibers from the facial nerve VII, via the chorda tympani nerve, going to the anterior 2/3 of the tongue

42
Q

What special pre-ganglionic parasympathetic fibers are associated with the lingual nerve?

A

pre-ganglionic parasympathetic fibers from the facial nerve (CN VII), viathe chorda tympani nerve, heading for synapse in the submandibular ganglion

43
Q

Otic ganglion (location and CN involved)

A

located on or near the main trunk of V3. It is the ganglion for parasympathetic synapses for the glossopharyngeal nerve CN IX to the parotid gland

44
Q

Otic ganglion (other fibers passing through)

A

Post-ganglionic sympathetic fibers and sensory fibers from the auriculotemporal nerve

45
Q

Submandibular ganglion (location and CN involved)

A

Located in the floor of the mouth and actually hangs down from the lingual nerve. It is the ganglion for parasympathetic synapses for the facial nerve (CN VII).

46
Q

Submandibular ganglion (other fibers passing through)

A

Other fibers that can pass through include post-ganglionic sympathetic fibers and sensory fibers from the lingual nerve.

Trigeminal and Associated Nerves (1 decks)

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