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Cranial nerves > components, functions, and foramen > Flashcards

components, functions, and foramen Flashcards

1
Q

Olfactory foramen

A

cribiform plate

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2
Q

Olfactory components

A

SVA- nasal mucosa (smell)

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3
Q

Optic foramen

A

Optic foramen (canal)

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4
Q

Optic components

A

SSA- retina

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5
Q

Oculomotor foramen

A

sup. orbital fissure

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6
Q

Oculomotor components

A

GSE- eye muscles: inf, sup, and medial rectus. inf oblique

GVE- cilliary muscle and sphincter pupillae

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7
Q

Trochlear foramen

A

sup. orbital fissure

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8
Q

Trochlear components

A

GSE- superior oblique

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9
Q

CN with parasympahetic

A

3, 7, 9, 10

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10
Q

Orbital muscle innervation

A

LR6(SO4) 3

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11
Q

Trigeminal foramen

A

Opthalamic branch: superior orbital fissure
Maxillary: foramen rotundum
Mandibular: foramen ovale

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12
Q

Trigeminal components

A

GSA: opthalamic, maxillary, and mandibular cutaneous innervation of upper, middle, and lower face…mandibular has some in ear
SVE: mandibular to muscles of mastication, ant belly of digastric, myohyoid…tenso tympani and palatini

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13
Q

Abducens foramen

A

sup orbital fissure

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14
Q

Abducen components

A

GSE- lateral rectus

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15
Q

Facial foramen

A

Internal auditory meatus

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16
Q

Facial components

A

SVE: muscles of facial expression, post belly of digastric, stylohyoid, stapedius
SVA: anter 2/3 of tongue (taste)
GVE: sublingual, submandibular glands. lacrimal glands and glands in nose
GVA: sensory in soft palate
GSA: some senory in ear

17
Q

Vestibulocochlear foramen

A

internal auditory meatus

18
Q

Vestibulocochlear components

A

SSA- hearing and balance from cochlea and semicircularcanals ect

19
Q

Glossopharyngeal foramen

A

Jugular foramen

20
Q

Glossopharyngeal components

A 
GVE: parotid gland
GVA: deep palatine sensory, and monitoring of bp from carotid body and sinus
GSA: small part of ear
SVA: poster 1/3 of tongue taste buds
SVE: stylopharyngeaus muscle
21
Q

Vagus Foramen

A

jugular foramen

22
Q

Vagus components

A

GSA: part of ear innervation
GVE: slow heart rate and increase digestion, intestinal muscles
GVA: sensory from internal abdominal organs
SVA: “lost” taste buds on back of epiglotttis and hypoglottis
SVE: larynx and pharynx muscles, cricothyroid, lev. palatini

23
Q

Spinal Accessory foramen

A

jugular foramen (first comes into skull through foramen magnum)

24
Q

Spinal Accessory components

A

SVE: sternocleidomastoid & trapezius muscle

25
Q

Hypoglossal foramen

A

hypoglossal canal

26
Q

hypoglossal components

A

GSE: tongue muscles

Cranial nerves (2 decks)

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