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Head & Neck > Cranial Autonomics > Flashcards

Cranial Autonomics Flashcards

1
Q

What type of nerve fibers carry the autonomics

A

general visceral efferents (AKA visceral motor)

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2
Q

what are the four parasympathetic cranial nuclei

A

edinger-westphal
superior salivatory
inferior salivatory
dorsal vagal

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3
Q

where is the edinger-westphal nucleus?

A

midbrain

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4
Q

where are the superior and inferior salivatory nuclei?

A

pons

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5
Q

where is the dorsal vagal nucleus?

A

medulla

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6
Q

what CN passes through the cribiform plate

A

CN I (olfactory)

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7
Q

what CN passes through the optic canal

A

CN II (optic)

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8
Q

what CN passes through the superior orbital fissure

A 
CN III (oculomotor)
CN IV (trochlear)
CN V1 (ophthalmic branch of trigeminal)
CN VI (abducent)
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9
Q

what CN passes through the foramen rotundum

A

CN V2 (maxillary branch of trigeminal)

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10
Q

what CN passes through the foramen ovale

A

CN V3 (mandibular branch of trigeminal)

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11
Q

what CN passes through the internal acoustic meatus

A 
CN VII (facial n)
CN VIII (vestibulocochlear n)
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12
Q

what CN passes through the jugular foramen

A 
CN IX (glossopharyngeal n)
CN X (vagus)
CN XI (spinal accessory n)
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13
Q

what CN passes through the hypoglossal canal

A

CN XII (hypoglossal n)

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14
Q

where do sympathetic fibers of the head synapse?

A

superior cervical ganglion of the sympathetic trunk

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15
Q

what exclusively sympathetic nerve do we care about? are the fibers pre- or post- synaptic?

A

deep petrosal n

POST synaptic

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16
Q

what are the four ganglia in the head where preganglionic parasympathetic fibers synapse

A

ciliary
pterygopalatine
otic
submandibular

17
Q

what cranial nerves carry preganglionic parasympathetics?

A

CN III, VII, IX, X

oculomotor, facial, glossopharyngeal, vagus

18
Q

how do postganglionic parasympathetic fibers get to their target structure?

A

via branches of the trigeminal n. (CN V)

19
Q

what is horner’s syndrome

A

absence of sympathetic innervation of the head

20
Q

what are the causes of horners syndrome?

A

idiopathic
extra cervical rib
cervical injury

21
Q

what are the sxs of horner’s syndrome?

A

ptosis
anhidrosis
miosis

22
Q

does the trigeminal n have sympathetic fibers?

A

NO they just ride with it all over the face

23
Q

what are the two branches of CN V1 (opthalmic branch of trigeminal n) that piggyback parasympathetics?

A 
lacrimal ( => lacrimal gland)
short ciliary ( => ciliary ms and sphincter pupillae)
24
Q

what are the three branches of CN V2 (maxillary branch of trigeminal n) that piggyback parasympathetics?

A

zygomatic ( => lacrimal gland)
greater and lesser palatine ( => soft and heart palate mucosa)
posterior superior nasal ( => nasal mucosa)

25
Q

what are the two branches of CN V3 (mandibular branch of trigeminal n) that piggyback parasympathetics?

A

lingual ( => submandibular & sublingual salivary glands)

auricotemporal ( => parotid gland)

26
Q

through what ganglion does CN V1 pass?

A

ciliary

27
Q

through what ganglion does CN V2 pass?

A

pterygopalatine

28
Q

through what ganglion does CN V3 pass?

A

submandibular and otic

29
Q

at what ganglion do CN III parasympathetic fibers synapse?

A

ciliary

30
Q

at what ganglion do CN VII parasympathetic fibers synapse?

A

pterygopalatine

submandibular

31
Q

at what ganglion do CN IX parasympathetic fibers synapse?

A

otic

32
Q

what is the route of visceral efferent neurons from CN III

A

edinger-westphal nucleus =>
ciliary ganglion =>
constrictor pupillae and cilliary ms

33
Q

via what structure do sympathetics get to the eye?

A

carotid plexus

34
Q

what are the autonomic actions of CN VII?

A 
stimulate glands:
lacrimal
submandibular
sublingual
oral, nasal, and pharyngeal muscosal

Head & Neck (7 decks)

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