trigeminal

Question 1

main branches of trigeminal

Answer 1

• ophthalmic (V1)
• maxillary (V2)
• mandibular (V3)

Question 2

ophthalmic (V1): what it does, where it goes

Answer 2

• somatic sensory

- exits cranium through superior orbital fissure and enters orbit

Question 3

maxillary (V2): what it does, where it goes

Answer 3

• somatic sensory
• exits cranium through foramen rotundum
• enters orbit through inferior orbital fissure

Question 4

mandibuar (V3): what it does, where it goes

Answer 4

• somatic (branchial) motor and somatic sensory

- exits cranium through foramen ovale

Question 5

branches of ophthalmic (V1)

Answer 5

• tentorial
• frontal (supraorbital and supratrochlear)
• lacrimal (communicating branch from zygomatic)
• nasociliary

Question 6

branches of nasociliary

Answer 6

• ganglionic branch to ciliary ganglion (short ciliary)
• long ciliary
• posterior ethmoidal (anterior meningeal branches)
• anterior ethmoidal (anterior meningeal branches, external nasal)
• infratrochlear

Question 7

tectorial n

Answer 7

• tentorium cerebelli and posteri falx cerebri

Question 8

supraorbital and supratrochlear n

Answer 8

• frontal sinus
• superior eyelid
• forehead
• scalp

Question 9

lacrimal n

Answer 9

• superior eyelid

Question 10

short ciliary

Answer 10

• parasympathetic and sympathetic to pupil travel with

- sensory of eyeball

Question 11

long ciliary

Answer 11

• sensory of eyeballs

Question 12

posterior ethmoidal

Answer 12

• nasal septum and lateral wall, ethmoid and sphenoid sinuses

Question 13

anterior meningeal branches (posterior ethmoid)

Answer 13

• dura mater of anterior cranial fossa

Question 14

anterior ethmoidal

Answer 14

• nasal septum, and lateral wall , ethmoid and sphenoid sinuses

Question 15

anterior meningeal branches (anterior ethmoid)

Answer 15

• dura mater of anterior cranial fossa and anterior fall cerebri

Question 16

infratrochlear

Answer 16

• nose and superior eyelid

Question 17

branches of maxillary (V2)

Answer 17

• meningeal branch
• zygomatic (communicating branch to lacrimal, zygomaticofacial and zygomaticotemporal)
• ganglionic branches to pterygopalatine ganglion (greater and lesser palatine, nasopalatine, pharyngeal)
• posterior superior alveolar
• anterior superior alveolar
• middle superior alveolar
• infraorbital (internal nasal branch)

Question 18

meningeal branch of V2

Answer 18

• dura mater of anterior and middle cranial fossas

Question 19

zygomaticofacial

Answer 19

• cheek

Question 20

zygomaticotemporal

Answer 20

• temporal region of scalp

Question 21

greater palatine

Answer 21

• lateral wall of nasal cavity and hard palate

Question 22

lesser palatine

Answer 22

• soft palate and uvula

Question 23

nasopalatine

Answer 23

• nasal septum

Question 24

pharyngeal

Answer 24

• pharynx

Question 25

posterior superior alveolar

Answer 25

• posterior maxillary teeth

Question 26

anterior superior alveolar

Answer 26

• anterior maxillary teeth

Question 27

middle superior alveolar

Answer 27

• middle maxillary teeth

Question 28

infraorbital

Answer 28

• maxillary sinus
• nostrils
• inferior eyelid
• cheek
• nose
• upper lip

Question 29

internal nasal branch

Answer 29

• vestibule of nasal cavity

Question 30

branches of mandibular V3

Answer 30

• meningeal branch
• auriculotemporal
• lingual
• inferior alveolar (n to mylohyoid, mental, dental branches)
• anterior divisor (somatic motor to mm of mastication)
• buccal
• alveolar

Question 31

meningeal branch of V3

Answer 31

• dura of middle cranial fossa

Question 32

auriculotemporal

Answer 32

• temporal region of scalp
• anterior external ear
• tympanic membrane
• runs with superficial temporal A/V

Question 33

lingual

Answer 33

• anterior 2/3 of tongue (sensation not taste)

Question 34

n to mylohoid

Answer 34

• somatic motor to mylohyoid and anteriot belly of digastric

Question 35

mental

Answer 35

• chin and lower lip

Question 36

dental branches

Answer 36

• mandibular teeth

Question 37

buccal

Answer 37

• skin and oral mucosa of cheek

Question 38

alveolar

Answer 38

• somatic sensory to teeth