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CAM304 INN C Lectures > Cranial Nerves and Associated Ganglia and Nuclei > Flashcards

Cranial Nerves and Associated Ganglia and Nuclei Flashcards

1
Q

CNI

Sensory Function, Primary Ganglion, Secondary Nucleus

A

Olfactory Nerve - Smell

PG: Olfactory Epithelium (not a ganglia but does contain sensory neuron cells)

PN: Olfactory Bulb

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2
Q

CNII

Sensory Function, Primary Ganglion & Secondary Nucleus

A

Optic Nerve - Vision

Has neither

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3
Q

CNV***

Sensory Function, Primary Ganglion & Secondary Nucleus

A

Trigeminal:
1. Pain & Temp from face, nasal and oral mucosa and anterior 2/3 of tongue

Semilunar (Trigeminal) Ganglion

Descending (Spinal) Nucleus of V

  1. Tactile sensation from the same structures

Semilunar (Trigeminal) Ganglion

Main Sensory Nucleus of V

  1. Mechanoreceptors from the same structures

No Primary Ganglion

Mesencephalic Nucleus of V (primary sensory cell bodies are here)

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4
Q

CNVII

Sensory Function, Primary Ganglion, Secondary Nucleus

A

Facial Nerve

Taste from Anterior 2/3 Tongue

Geniculate Ganglion

Nucleus of Solitary Tract

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5
Q

CNVIII

Sensory function, primary ganglion and secondary nucleus

A

Vestibulocochlear Nerve

  1. Hearing (cochlear)

To Spiral Ganglion

Cochlear Nuclei (dorsal and ventral)

  1. Vestibular Sense
    Linear (utricle, saccule) and Angular (semicircular canals) Acceleration, Position of head in space

To Scarpa’as (vestibular) Ganglion

Vestibular Nuclei
(inferior, superior, lateral, medial)

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6
Q

CNIX

Sensory function, primary ganglion & secondary nucleus

A

Glossopharyngeal

Taste & general sensation from posterior 1/3 of the tongue
General sensation from pharynx
Chemoreception from carotid bodies
Baroreception from carotid sinus

Petrosal Ganglion (inferior ganglion of IX)

Nucleus of Solitary Tract
(+ some general sensation to spinal/descending nucleus of V)

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7
Q

CNX

Sensory function, primary ganglion & secondary nucleus

A

Vagus

Visceral sensation
Taste from the oropharynx

Nodose Ganglion (inferior ganglion of X)

Nucleus of solitary tract

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8
Q

CNIII

Motor Function, and Motor Nucleus (& location of it)

A

Oculomotor

Extraocular muscles: Inferior, medial, and superior rectus
Inferior Oblique
Levator Palpebrae Superioris Muscle (elevates eyelid)

Oculomotor Nucleus (midbrain)

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9
Q

CNIV

Motor function, motor nucleus & location

A

Trochlear

Extraocular muscle: Superior oblique

Trochlear nucleus (midbrain)

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10
Q

CNV

Motor function, motor nucleus and location

A

Trigeminal

Muscles of mastication
Tensor Veli Palatini
Tensor Tympani
Anterior Belly of Digastric
Mylohyoid

Trigeminal Motor Nucleus (pons)

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11
Q

CNVI

Motor Function, motor nucleus and location

A

Extraocular muscle: Lateral Rectus

Abducens Nucleus (Pons)

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12
Q

CNVII

Motor functions, motor nucleus & location

A

Muscles of facial Expression
Stapedius
Posterior Belly of Digastric
Stylohyoid

Facial Nucleus (Pons)

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13
Q

CNIX

Motor functions, motor nucleus & location

A

Glossopharyngeal

Stylopharyngeus (pharyngeal muscle)

Nucleus Ambiguous (Medulla)

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14
Q

CNX Vagus

Motor Functions, motor nucleus & location

A

Pharyngeal and Laryngeal muscles
Palatoglossus
Levator Veli Palatini

Nucleus Ambiguous (medulla)

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15
Q

CNXI

Motor Functions, motor nucleus & Location

A

Sternocleinomastoid & Trapezius

Accessory Nucleus (in medulla and SC)

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16
Q

CNXII

Motor functions, motor nucleus & Location

A

Intrinsic and extrinsic tongue muscles except palatoglossus* (which is CNX)

Hypoglossal Nucleus (medulla)

17
Q

CNIII

Autonomic Function, ganglion and nucleus

A

Oculomotor

Contriction of pupil (pupillary sphincter muscle)
Near-vision Acommodation (via ciliary muscle)

Ciliary Ganglion

Edinger-Westphal Nucleus

18
Q

CNVII

Autonomic FUnction, Ganglion and nucleus

A

Facial

  1. Tears (lacrimal gland)
    Nasal Mucosa
    -> to Pterygopalatine Ganglion
  2. Salivation (Submandibular and Sublingual)
    - > to Submandibular Ganglion

BOTH to Superior Salivary Nucleus

19
Q

CNIX Glossopharyngeal

Autonomic Function, Ganglion and Nucleus

A

Glossopharyngeal

Saliva (from parotid gland)

  • > Otic Ganglion
  • > Inferior Salivary Nucleus
20
Q

CNX Vagus

Autonomic Function, Ganglion and Nucleus

A

Viscera: Heart, Lung, Gut (to descending colon)
Pharyngeal and Laryngeal Mucosa

PSNS Intramural Ganglia

Dorsal Motor Nucleus of X

CAM304 INN C Lectures (8 decks)

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