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Flashcards in 1. Neuroanatomy Deck (164)
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1

How to distinguish ICA and ECA in the neck?

ECA has multiple branches in the neck

2

Major Branches of ECA

SALFOPSI
Superior thyroid
Ascending pharyngeal
Lingual
Facial
Occipital
Posterior auricular
Superficial temporal
Internal maxillary

3

Where do common carotid arteries arise?

Right: brachiocephalic trunk
Left: aortic arch

4

What is the carotid siphon?

Intracavernous and supraclinoid segment of ICA

5

Findings in occlusion of anterior choroidal artery?

Hemiparesis, hemianesthesia, hemiopsia

6

Posterior cerebral artery divides into which two arteries?

Calcarine
Parietooccipital

7

What artery supplies the choroid plexus of temporal horn?

Posterior cerebral artery

8

Virchow-Robin spaces

Spaces between blood vessels and arachnoid/pia within brain and spinal cord

9

Which large anastomotic vein joins the superior sagittal sinus?

Vein of Trolard

10

Which large anastomotic vein joins veins of sylvian fissure with transverse sinus

Vein of Labbe

11

What is the largest branch of the intracavernous portion of carotid artery?

Meningohypophyseal trunk

12

Three main superficial cerebral veins

Vein of Trolard
Vein of Labbe
Superficial middle cerebral vein

13

Clinical symptom of large unruptured cavernous sinus carotid aneurysm

Ipsilateral 6th nerve palsy (most proximal spatial relationship to carotid artery)

14

Wallenberg syndrome (lateral medullary syndrome) - artery

Occlusion of ipsilateral vertebral artery. Infarct supplied by PICA

15

What artery supply the thalamus?

Posterior communicating and perimesencephalic portion of posterior cerebral artery

16

What artery supply the lateral geniculate nucleus?

Anterior choroidal and lateral posterior choroidal (dual supply)

17

Artery involved in trigeminal neuralgia

SCA

18

Artery involved in hemifacial spasm

AICA

19

Artery involved in glossopharyngeal neuralgia

PICA

20

Artery supply of internal capsule

Lateral lenticulostriate branches from MCA
Medial striate from ACA
Direct branch from ICA

21

Which vessel has highest risk of injury in Chiari decompression surgery?

PICA

22

Vessels supply superior, middle, and inferior cerebellar peduncles?

SCA, AICA and PICA respectively

23

Where is motor strip in relation to the skull?

~5 cm behind coronal suture

24

What external landmark on skull marks the lateral margin of sphenoid ridge and sylvian fissure?

Pterion

25

What part of mandible does the temporalis muscle attaches to?

Coronoid process of mandible

26

Which muscle of mastication does the parotid duct cross

Masseter muscle

27

Which cranial fossa is the largest and deepest?

Posterior

28

Suboccipital triangle bounded by which 3 muscles?

Rectus capitis posterior major
Superior oblique
Inferior oblique

29

What sutures make up the asterion?

Lambdoid, parietomastoid, occipitaomastoid
Define lower half of junction of transverse and sigmoid sinuses

30

Which bones make up the osseous nasal septum?

Ethmoid and vomer