Skull

Question 0

Foramen Spinosum

Answer 0

Middle Meningeal Artery

Nervous spinosus

Question 1

Foramen Ovale

Answer 1

Accessory Meningeal Artery

V3

Question 2

Incisive Foramen

Answer 2

Found in hard palate:

Sphenopalatine Artery

Nasopalatine Nerve (V2)

Question 3

Greater/Lesser Palatine Foramen

Answer 3

Greater/Lesser Palatine Artery

Greater/Lesser Palatine Nerve

Question 4

Sensory Innervation of Auditory Tube

Answer 4

IX- Visceral Sensory

Question 5

Carotid Canal

Answer 5

Large foramen found medial to styloid process

-Carotid canal passes thru where it becomes the Foramen Lacerum inside the skull

Question 6

Stylomastoid Foramen

Answer 6

Small foramen found in b/w styloid and mastoid processes

-VII

Question 7

Hypoglossal Canal

Answer 7

Canal found underneath the occipital condyles

Question 8

Pterygopalatine Fossa

Answer 8

Found in b/w the lateral pterygoid plate and maxillary bone

-V2 ends here

Question 9

Posterior Superior Alveolar Foramina

Answer 9

Very small foramen found in the infratemporal fossa

-Posterior Superior Alveolar NAV

Question 10

Anterior Superior Alveolar Nerve

Answer 10

Branches off the infraorbital nerve (V2)

Question 11

Petrotympanic Fissure

Answer 11

Found underneath the temporal fossa and allows passage of

• Chorda tympani
• Tympanic artery

Question 12

Greater Petrosal Nerve

Answer 12

Contains: Visceral Motor, Parasympathetics, Visceral Sensory

Innervates lacrimal and mucous glands; sensory to nasopharynx

Damage?- Decreased tear prod. & decreased sensory

Question 13

Stapedial Nerve

Answer 13

Contains: Branchiomotor

Innervates: Stapedius

Damage?- Hyperacousia

Question 14

Chorda tympani

Answer 14

Contains: Parasympathetics, Taste Fibers

Innervates: Submandibular, Subsalivary Glands; Taste to anterior 2/3 of tongue

Damage?- Decrease salivation & taste

Question 15

Posterior Auricular Nerve

Answer 15

Contains: Branchiomotor, Somatic Sensory

Innervates: Posterior digastric, stylohyoid, Occipitalis,

Damage?- Ear pain accomp. Bell’s Palsy

Question 16

Pterygopalatine Ganglion

Answer 16

Innervates lacrimal and mucous glands

Question 17

Hitchiking Taste Fibers

Answer 17

Chorda tympani jumps onto V3 and leaves onto anterior 2/3 of tongue

Question 18

Innervation of Parotid Gland

Answer 18

CN IX comes off Otic ganglion and enters

Question 19

Greater Petrosal Nerve hitchiking pathway

Answer 19

After leaving pterygopalatine ganglion, hitchikes w/ V1 and V2 fibers to lacrimal and mucous glands

Question 20

Acoustic neuroma

Answer 20

Tumor @ internal auditory meatus damaging VII & VIII

• Loss of vestibular/auditory fnxn (VIII)
• Facial paralysis
• Loss of taste
• Decreased salivation

*If VII damaged in brainstem, would not have the latter 2