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B&B wk 1 > trigeminal N > Flashcards

trigeminal N Flashcards

1
Q

somatosensory ant 1/2 of head innervates 8m. inc all 4 muscles of mastication

A

trigeminal N

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2
Q

what are the 3 main divisions of the trigeminal N

A

V1- ophthalmic
V2- maxillary
V3- mandibular

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3
Q

where does the trigeminal N orginate

A

brainstem in the post cranial fossa

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4
Q

where is the trigeminal ganglion

A

in the middle cranial fossa

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5
Q

what does the V1-ophthalmic N pass through

A

sup orbital fissure

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6
Q

what does the V2 -maxillary N pass through

A

foramen rotundum

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7
Q

what does the V3- mandibular N pass through

A

foramen ovale

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8
Q

1st deg branch of V1 ophthalmic that supplies the supraorbital and supratrochlear N

A

frontal N

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9
Q

name 2 of the branches of the nasociliary N we need to know

A

external nasal branch of the ant ethmoidal N, intratrochlear N

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10
Q

1 deg branch of the ophthalmic N. V1 supplies the lacrimal sys

A

lacrimal N

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11
Q

originates within middle cranial fossa- subserves dura mater

A

tentorial N

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12
Q

originates within the sup orbital fissure or within the orbit subserves forehead

A

frontal N

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13
Q

originates within the sup. orbital fissure or within the orbit -

A

nasociliary

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14
Q

originates within the sup orbital fissure or within the orbit - subserves skin sup/lat rim of orbit and tear gland

A

lacrimal N

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15
Q

cutaneous sensation from upper cheek, lip, teeth, nasal cavity, palate

A

V2 division of the trigeminal N - maxillary

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16
Q

1st deg branches of the maxillary N

A

zygomaticalfacial, zygomatical temporal, infraorbital

17
Q

originates within the middle cranial fossa- subserves dura mater

A

meningeal branch of the maxillary N.

18
Q

originate within orbit gives rise to zygomaticotemporal and zygomaticofacial N

A

zygomatic N

19
Q

originates within the infratemporal fossa- reenters middle cranial fossa through foramen spinosum- innervates dura mater of middle cranial fossa

A

meningeal branch of the mandibular N

20
Q

what is the only branch of the trigeminal that is motor

A

mandibular - 4 m. of mastication

B&B wk 1 (2 decks)

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