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Head and Neck ASDOH > Nerves > Flashcards

Nerves Flashcards

1
Q

OCULOMOTOR NERVE (III) PARASYMPATHETIC (Visceral motor) Where’s the ganglion?

A

to constrictor pupillae and ciliary muscles Parasympathetic fibers of the oculomotor nerve synapse in the Ciliary Ganglion

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2
Q

TROCHLEAR NERVE (IV) – Somatic Motor to the… ABDUCENS NERVE (VI) - Somatic Motor to the…

A

superior oblique m. lateral rectus m.

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3
Q

ACCESSORY NERVE (XI) – Branchial Motor to the…

A

trapezius and sternocleidomastoid muscles

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4
Q

HYPOGLOSSAL NERVE (XII) – Somatic Motor to all tongue muscles, except…

A

the palatoglossus muscle

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5
Q

BRANCHIAL MOTOR of V – contained only in V3 are motor too

A

MUSCLES OF MASTICATION: OTHER MUSCLES: Tensor tympani, tensor veli palatini, mylohyoid, anterior belly of digastric muscles

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6
Q

GENERAL SENSORY – contained in V1, V2 and V3. Principal general sensory for all of the head. 1st order sensory neurons relay to 2nd order sensory neurons in the following Trigeminal sensory nucleii:

A

Mesencephalic nucleus (Midbrain) - muscle proprioception

Pontine Trigeminal nucleus (Pons) - touch

Nucleus of spinal tract (Pons – Spinal cord)- pain and tempurature

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7
Q

TRIGEMINAL NERVE V1 sensory branches that Supply the upper eyelid, forehead and scalp…

A
  • Frontal nerve
    • Supraorbital nerve
    • Supratrochlear nerve
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8
Q

TRIGEMINAL NERVE V1 sensory branches that Supply the eyeball

A
  • Nasociliary nerve
    • Long cilliary nerves
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9
Q

TRIGEMINAL NERVE V1 sensory branches that supply the ethmoid air cells and nasal cavity

A
  • Nasociliary nerve
    • Posterior ethmoidal nerve
    • Anterior ethmoidal nerve
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10
Q

Sensory nerve of V1 to the sphenoid sinus

A
  • Nasociliary nerve
    • Posterior ethmoidal nerve
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11
Q

Sensory nerve of V1 to the bridge of nose

A
  • Nasociliary nerve
    • Anterior ethmoidal nerve
      • External nasal branch
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12
Q

Sensory nerve of V1 to the medial upper eyelid and lacrimal sac

A
  • Nasociliary nerve
    • Infratrochlear nerve
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13
Q

Name all the branches of V1

A
  • Lacrimal nerve
  • Frontal nerve
    • Supraorbital nerve
    • Supratrochlear nerve
  • Long cilliary nerves
    • Posterior ethmoidal nerve
    • Anterior ethmoidal nerve
      • External nasal branches
    • Infratrochlear nerve
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14
Q

V2 BRANCHES IN THE PTERYGOPALATINE FOSSA

To the Pallet?

A
  • Greater palatine nerve – hard palate distal to canines
  • Lesser palatine nerve – soft palate
  • Nasoopalatine nerve – nasal septum and hard palate
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15
Q

V2 BRANCHES IN THE PTERYGOPALATINE FOSSA

To the face?

A
  • Zygomaticofacial – skin over zygomatic arch
    • Zygomaticotemporal – skin over ant. temple
    • Zygomatic nerve - enters the orbit to branch into two nerves:
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16
Q

BRANCHES OF V2 IN THE PTERYGOPALATINE FOSSA

To the max. sinus and max molars, gingiva and bone

A

Posterior superior alveolar nerve

17
Q

V2 BRANCHES IN THE INFRAORBITAL CANAL

A
  • Middle superior alveolar nerve(MSA) – max sinus and premolar teeth,
  • Anterior superior alveolar nerve (ASA) – max sinus, incisor and canine teeth, buccal gingiva and bone buccal gingiva and bone
18
Q

TERMINAL BRANCHES OF V2

A

Emerging BRANCHES out of THE INFRAORBITAL CANAL

  • INFRA ORBITAL NERVE
    • Inferior palpebral nerve
    • Lateral nasal nerve
    • Superior labial nerve
19
Q

BRANCHES OF V3 IN THE INFRATEMPORAL FOSSA

A
  • Recurrent meningeal nerve (nervus spinosum) dura of middle cranal fossa (Long)
  • Buccal nerve - cheek and mand. buccal gingiva
  • Auriculotemporal nerve – TMJ, auricle, skin of temple and lateral scalp
  • Lingual nerve – floor of mouth, lingual gingiva and ant. 2/3 of tongue Inferior alveolar nerve – mand. teeth and bone
  • Inferior alveolar nerve – mand. teeth and bone
20
Q

TERMINAL BRANCH of V3

A
  • Mental nerve – chin, , lower lip, labial gingiva
  • Incisive nerve - incisor teeth and bone
21
Q

BRANCHIAL MOTOR Branches of Facial nerve?

A

Temporal, Zygomatic, Buccal, Mandibular, Cervical, Suprahyoid, Occipital, Auricular

22
Q

maxillary structures by CN VII?

A

Greater Petrosal Nerve

23
Q

mandibular structures of VII inervated by?

A

Chorda Tympani Nerve

24
Q

In CN VII Pre-ganglionic fibers synapse with Post-ganglionic fibers in?

A

pterygopalatine ganglion

and the Submandibular ganglion

25
Q

GENERAL SENSORY

VISCERAL SENSORY

SPECIAL SENSORY

OF IX Sensory Cell bodies in which ganglion?

A

superior and inferior glossopharyngeal ganglia

26
Q

XI PARASYMPATHETIC pre-ganglionic fibers synapses with post-gaglionic fibers in… And continue on with…

A

otic ganglion

postganglionic fibers join the auriculotemporal nerve of V3 and continue to parotid gland

27
Q

PARASYMPATHETIC (Visceral motor) to: parotid gland

GENERAL SENSORY from: middle ear.

Are apart of which cranial nerve, and where does it travel?

A

IX and through the middle ear

Head and Neck ASDOH (10 decks)

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