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CNS > Cerebral Cortex > Flashcards

Cerebral Cortex Flashcards

1
Q

where is the cerbral cortex hidden?

A

more than 1/2 is hidden in the sulcus

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2
Q

how thick is the cerebral cortex?

A

2-4 mm

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3
Q

what is the structure of the laminar?

A

3-6 layers anatomic organization

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4
Q

what is the structure of columnar?

A

modules of cortex

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5
Q

what is the function of pyrmidal cell?

A

excite

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6
Q

what is the function of spiny stellate cell?

A

excite

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7
Q

what is the function of smooth stellate?

A

inhibit

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8
Q

what is the function of bipolar?

A

excie or inhibit

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9
Q

what is the structure of the cerbral cortex?

A

laminar organization

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10
Q

what type of cells make up the outer granule and pyramidal layer?

A

small cells and pyramidal cells

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11
Q

what type of cell makes up the inner granuale layer?

A

stellate cells

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12
Q

what type of cells make up inner pyramdial layer?

A

pyramid cells

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13
Q

what type of cells make up the inner most layer of cerebral cortex?

A

fusiform and bipolar

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14
Q

what is the direction of projection fibers?

A

leaves the cortex

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15
Q

what is an example of projection fiber?

A

corticospinal

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16
Q

what are association fiber?

A

joins one part of the cortex to another within the same region

17
Q

what is a short fiber?

A

one gyrus to another gyrus within the same lobe

18
Q

what is a long fiber?

A

travels from one lobe to another lob

ex. superior longitudinal faciculus
goes to frontal lobe to temporal lobe

19
Q

what are commissural fibers?

A

go from one hemisphere to another

20
Q

what is an example of commissural fiber?

A

corpus callosum
anterior commisure
posterior commisure
habenular commisure

21
Q

what is a commissural fiber?

A

afferent

22
Q

what are other examples of afferent fibers?

A

thalamocortical

neuraxial

23
Q

what are examples of effernt fibers?

A

commissural

association

projection

24
Q

what are somatic sensory cortex?

A

1,2, and 3

precentral gyrus

25
Q

what are supplemental sensory areas areas?

A

5

next to 1,2,3

26
Q

what are visual sensory areas?

A

17, 18, & 19

lies on either side of the calcarine sulcus

27
Q

what are audory sensory areas?

A

41,42, & 22

located lateral temporal gyrus

28
Q

what are primary motor areas?

A

4

located in the precentral gyrus

29
Q

what are premotor areas?

A

6

30
Q

what are supplemental motor area?

A

6

31
Q

what are brocas area?

A

44, 45

deals with speech and problem solving

32
Q

what are wernicke’s area?

A

22

conceptualizes what is heard

33
Q

what area is angular gyrus?

A

39

deals with written

34
Q

what is the left brain responsible for?

A

analytical information

35
Q

what is the right brain responsible for?

A

holistic, spiritual, artistic

CNS (3 decks)

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