Skull Flashcards

0
Q

Foramen Spinosum

A

Middle Meningeal Artery

Nervous spinosus

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1
Q

Foramen Ovale

A

Accessory Meningeal Artery

V3

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2
Q

Incisive Foramen

A

Found in hard palate:

Sphenopalatine Artery

Nasopalatine Nerve (V2)

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3
Q

Greater/Lesser Palatine Foramen

A

Greater/Lesser Palatine Artery

Greater/Lesser Palatine Nerve

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4
Q

Sensory Innervation of Auditory Tube

A

IX- Visceral Sensory

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5
Q

Carotid Canal

A

Large foramen found medial to styloid process

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

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6
Q

Stylomastoid Foramen

A

Small foramen found in b/w styloid and mastoid processes

-VII

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7
Q

Hypoglossal Canal

A

Canal found underneath the occipital condyles

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8
Q

Pterygopalatine Fossa

A

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

-V2 ends here

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9
Q

Posterior Superior Alveolar Foramina

A

Very small foramen found in the infratemporal fossa

-Posterior Superior Alveolar NAV

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10
Q

Anterior Superior Alveolar Nerve

A

Branches off the infraorbital nerve (V2)

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11
Q

Petrotympanic Fissure

A

Found underneath the temporal fossa and allows passage of

  • Chorda tympani
  • Tympanic artery
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12
Q

Greater Petrosal Nerve

A

Contains: Visceral Motor, Parasympathetics, Visceral Sensory

Innervates lacrimal and mucous glands; sensory to nasopharynx

Damage?- Decreased tear prod. & decreased sensory

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13
Q

Stapedial Nerve

A

Contains: Branchiomotor

Innervates: Stapedius

Damage?- Hyperacousia

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14
Q

Chorda tympani

A

Contains: Parasympathetics, Taste Fibers

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

Damage?- Decrease salivation & taste

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15
Q

Posterior Auricular Nerve

A

Contains: Branchiomotor, Somatic Sensory

Innervates: Posterior digastric, stylohyoid, Occipitalis,

Damage?- Ear pain accomp. Bell’s Palsy

16
Q

Pterygopalatine Ganglion

A

Innervates lacrimal and mucous glands

17
Q

Hitchiking Taste Fibers

A

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

18
Q

Innervation of Parotid Gland

A

CN IX comes off Otic ganglion and enters

19
Q

Greater Petrosal Nerve hitchiking pathway

A

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

20
Q

Acoustic neuroma

A

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