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PNS #1 > 1: UIII V2 > Flashcards

1: UIII V2 Flashcards

1
Q

What is the name of V2?

A

maxillary division of the trigeminal nerve

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2
Q

What type of function does V2 have?

A

sensory only

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3
Q

Where does the maxillary division receive sensory info from?

A

skin btwn eyes and mouth, over cheeks and temples, mucosa lining the maxillary sinuses, nasal conchae, palate, and upper gingiva

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4
Q

What are the four divisions of the maxillary division of the trigeminal nerve?

A

Middle meningeal nerve
Zygomatic nerve
Ganglionic branches
Infraorbital nerve

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5
Q

Where is the middle meningeal nerve given off?

A

before the division exits the round foramen

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6
Q

What does the middle meningeal nerve supply?

A

the meninges of the middle cranial fossa (Dura)

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7
Q

How does the zygomatic nerve enter the orbit?

A

through the inferior orbital fissure

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8
Q

What are the two branches of the zygomatic nerve?

A

communicating branch

zygomaticotemporal nerve

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9
Q

What kind of fibers does the communicating branch carry?

A

postganglionic parasympathetic from the ptergopalatine ganglion and the lacrimal gland

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10
Q

What brings preganglionic sympathetics to the pergopalatine ganglion?

A

CN#7

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11
Q

What does the zygomaticotemporal nerve supply?

A

skin over temple

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12
Q

How many ganglionic branches are given off from the maxillary division?

A

2-3

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13
Q

What do the ganglionic braches carry?

A

sensory info from the upper pharynx, nasal cavity and concha, palate

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14
Q

What do the ganglionic branches pass through?

A

pterygopalatine ganglion (NO SYNAPSE)

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15
Q

What does the infraorbital nerve pass through?

A

the infraorbital fissure and infraorbital canal

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16
Q

what does the infraorbital nerve supply?

A

lower eyelid, skin over upper jaw, and maxillary sinus

17
Q

What does the infraorbital nerve give rise to before entering the infraorbital canal?

A

posterior, anterior, and middle superior alveolar nerves

18
Q

What do the posterior, anterior, and middle alveolar nerves supply?

A

sensory info from teeth

19
Q

What is found just superior to the alveoli?

A

superior dental plexus

20
Q

How are the postganglionic parasympathetic fibers from the pterygopalatine ganglion distributed?

A

SENSORY to lacrimal gland

maxillary division of the trigeminal nerve

21
Q

Postganglionic sympathetic fibers from where pass through the ptergopalatine ganglion?

A

superior cervical ganglion and sensory fibers

PNS #1 (14 decks)

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