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Flashcards in Final Anatomy Deck (48):
1

Brain area: organizaiton of movement

basal ganglia

2

Brain area: endocrine, hunger, thirst, reproduction, temperature control

Hypothalamus

3

Brain area: unconscious motor control

Cerebellum

4

Danger area of scalp

Loose connective tissue layer

5

Layer of scalp richly vascularized

- Pulls ends of arteries apart --> Profuse bleeding

Connective tissue layer

6

Motor innervation to occipitofrontalis m.

Facial n. (CN VII)

7

Anterior end of falx cerebri attaches to:

Crista galli

8

Which layer of dura continues into spinal cord

Meningeal layer

9

Innervation of posterior cranial fossa

C2, C3

Vagus

10

Innervation of tentorium cerebelli & falx cerebri

V1

11

Lenticular shape on CT

Epidural hematoma

12

Cresent shape on CT

Very old, very young

Subdural hematoma

13

Star-shaped ring around skull base on CT

Subarachnoid hemorrhage

14

Clinical relevance of cavernous sinus

Thrombosis site

- internal carotid a.

- CN III, IV, V1, V2

- V1 in close association with internal carotid a.

- communicates w/ opthalmic & facial vv.

15

Site of primary auditory cortex

superior temporal gyrus

16

site of primary visual cortex

banks of calcarine sulcus

17

Uncal herniation presses on which CN?

CN III

18

Broca's area

motor speech area

19

Wernicke's Area

speech comprehension area

20

reading comprehension

angular gyrus

21

CSF appearace:

T1 = 

T2 = 

CSF T1 = dark (blood = white)

CSF T2 = white (blood = dark)

22

Label

Q image thumb

centrum semiovale

- white matter

cortical afferents & efferents

23

Part of internal capsule:

- contains optic radiations

Retrolenticular part

24

Part of internal capsule:

- Contains optic and auditory radiations

sublenticular part

25

Commissure important in visual reflexes

Posterior commisure

26

Label

Q image thumb

Opercular cortex

27

Label

Q image thumb

Frontal/parietal opercular cortex

Insular cortex

Temporal opercular cortex

28

blockage of cerebral aqueduct

non-communicating hydrocephalus

29

CSF can enter subarachnoid space

arachnoid vili malfunction

communicating hydrocephalus

30

secondary loss of brain tissue due to atrophy

Alzheimer

Pick Disease

Huntington disease

Hydrocephalus ex vacuo

31

communicating hydrocephalus without increase in intracradial pressure

normal pressure hydrocephalus

32

wet, wobbly, wacky

tissue being pushed aside

normal pressure hydrocephalus

33

compared to serum, CSF contains:

Lower: potassium, glucose, protein

More: chloride

Almost acelluar

34

supplies 80% blood to anterior circulation

Internal carotid aa.

35

supplies 20% blood to posterior circulation

Vertebral aa.

36

Compression of CN III between what two arteries

Superior cerebellar a.

Posterior cerebral a.

37

Occlusion of what a. causes vertigo & ipsilateral deafness

Labyrinthe (internal acoustic) a.

38

Supplies flocculus, middle cerebellar peduncle, and anterior inferior cerebellum

Anterior Inferior Cerebellar A. (AICA)

39

Supplies blood to anterior 2/3 of spinal cord

Anterior spinal a.

40

Supplies blood to posterior 1/3 of spinal cord

Posterior spinal a.

41

Supplies blood to choroid plexus of 4th ventricle, dorsolateral medulla, posterior inferior cerebellum

Posterior Inferior Cerebellar A. (PICA)

42

Common site for aneurysm formation

origin of posterior communicating a. off internal carotid a.

43

This a. runs on top of the optic tract

Anterior choroidal a.

44

Supplies blood to primary visual cortex (calcarine sulcus)

Posterior cerebral a. (PCA)

45

Anterior watershed infarct

Between ACA and MCA distributions

46

Posterior watershed infarct

Along MCA and PCA distributions

47

Cerebral perfusion pressure drops cause

watershed infarcts

48

Joins with inferior sagittal sinus to form straight sinus

Great Vein of Galen

- deep venous drainage