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S&F: Exam 2 > Skull > Flashcards

Flashcards in Skull Deck (21):
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Foramen Ovale

Accessory Meningeal Artery

V3

1

Foramen Spinosum

Middle Meningeal Artery

Nervous spinosus

2

Incisive Foramen

Found in hard palate:

Sphenopalatine Artery

Nasopalatine Nerve (V2)

3

Greater/Lesser Palatine Foramen

Greater/Lesser Palatine Artery

Greater/Lesser Palatine Nerve

4

Sensory Innervation of Auditory Tube

IX- Visceral Sensory

5

Carotid Canal

Large foramen found medial to styloid process

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

6

Stylomastoid Foramen

Small foramen found in b/w styloid and mastoid processes

-VII

7

Hypoglossal Canal

Canal found underneath the occipital condyles

8

Pterygopalatine Fossa

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

-V2 ends here

9

Posterior Superior Alveolar Foramina

Very small foramen found in the infratemporal fossa

-Posterior Superior Alveolar NAV

10

Anterior Superior Alveolar Nerve

Branches off the infraorbital nerve (V2)

11

Petrotympanic Fissure

Found underneath the temporal fossa and allows passage of

-Chorda tympani

-Tympanic artery

12

Greater Petrosal Nerve

Contains: Visceral Motor, Parasympathetics, Visceral Sensory

Innervates lacrimal and mucous glands; sensory to nasopharynx

Damage?- Decreased tear prod. & decreased sensory

13

Stapedial Nerve

Contains: Branchiomotor

Innervates: Stapedius

Damage?- Hyperacousia

14

Chorda tympani

Contains: Parasympathetics, Taste Fibers

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

Damage?- Decrease salivation & taste

15

Posterior Auricular Nerve

Contains: Branchiomotor, Somatic Sensory

Innervates: Posterior digastric, stylohyoid, Occipitalis,

Damage?- Ear pain accomp. Bell's Palsy

16

Pterygopalatine Ganglion

Innervates lacrimal and mucous glands

17

Hitchiking Taste Fibers

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

18

Innervation of Parotid Gland

CN IX comes off Otic ganglion and enters

19

Greater Petrosal Nerve hitchiking pathway

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

20

Acoustic neuroma

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