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Speech Anatomy & Physiology > 1.04-A -Neuron Protection and Nourishment > Flashcards

1.04-A -Neuron Protection and Nourishment Flashcards

1
Q

What three things protect the brain?

A

Bone

Meninges

Cerebral Spinal Fluid

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2
Q

Where does the brain get nutrients?

A

Vascular System

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3
Q

What are some autonomic tasks?

A

Breathing

Heartbeat

Etc.

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4
Q

What is the cerbral cortex?

A

The outer layer of the brain

The periphery

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5
Q

Where does the word “cerebral” come from?

A

The word for “cork” or “bark”

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6
Q

The cerbral cortex is the thin outer layer of the _____ the contains the _____ (______)

A

Cerebrum

Neural Tissue (Neurons)

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7
Q

Are all layers of the cerbral cortex the same?

A

No

Some are thicker and some are thinner

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8
Q

What is the triple layer of bone called?

A

Diploe

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9
Q

What are the three meninges called?

A

Dura Mater

Arachnoid Mater

Pia Mater

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10
Q

What is the Dura Mater?

(2)

A

Outermost meninge

A tough, leathery fibrous lining that attaches to the skull

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11
Q

What does Dura Mater mean?

A

Tough Mother

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12
Q

Is the Dura Mater a single layer?

(3)

A

No

It splits into two layers in places and allows for CSF to enter

These are called sinuses

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13
Q

What is the Arachnoid Mater?

(3)

A

Middle meninge

Has many blood vessels

Very delicate

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14
Q

What does “Arachnoid Mater” mean?

A

Spider Mother

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15
Q

What are the Arachnoid Granulations?

A

Extentions of the arachnoid mater that intrude into the dura mater sinuses

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16
Q

What do the Arachnoid Granulations do?

A

Absorb CSF

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17
Q

What is another name for the Arachnoid Granulations?

A

Arachnoid Villi

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18
Q

What are the Arachnoid Trabeculae?

A

Delicate strands of connective tissue that loosely connect the arachnoid mater and the pia mater

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19
Q

What do the Arachnoid Trabeculae do?

A

Creates the subarachnoid space which contains cerebrospinal fluid

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20
Q

What does Pia Mater mean?

A

Gentle Mother

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21
Q

What is the Pia Mater?

A

Most inferior meninge

Adheres to the brain

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22
Q

What does cerebral spinal fluid do?

A

Helps the brain to float and avoid mild impact injuries

Removes waste created from neural firing

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23
Q

What does Epidural mean?

A

Above the dura mater

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24
Q

What is another name for epidural?

A

Extradural

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25
Q

What does subdural mean?

A

Between the dura mater and arachnoid mater

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26
Q

What does subarachnoid mean?

A

Under the arachnoid mater

27
Q

What is the Superior Sagittal Sinus?

A

A sinus formed by two layers of the dura mater

Forms at the superior junction of the two hemispheres

28
Q

Where is CSF formed

A

By the ependymal cells

29
Q

Where are the ependymal cells?

A

In the Choroid Plexus

30
Q

CSF is a ____ derivative.

A

Blood

31
Q

How much CSF do we produce in a day?

A

500 ml/day

32
Q

What are ventricles?

A

The space inside the brain

33
Q

How much CSF do our ventricles hold?

A

Around 125 ml

34
Q

Where does CSF start?

A

In the Lateral Ventricles

35
Q

Where does CSF go after the lateral ventricles?

A

Interventricular Foramen

(Foramen of Monroe)

36
Q

Where does CSF go after the Interventricular Foramen?

A

The third ventricle

37
Q

Where does CSF go after the third ventricle?

A

The cerebral aquaduct

38
Q

Where does CSF go after the cerebral aquaduct?

A

The fourth ventricle

39
Q

Where does CSF go after the fourth ventricle?

A

The lateral and median aperatures

40
Q

Where does CSF after the lateral and median aperatures?

A

Subarachnoid space

41
Q

Where does CSF go after the Subarachnoid space?

A

Superior Sagittal Sinus

42
Q

Where does the Superior Sagittal Sinus get its CSF?

A

Subarachnoid Space

43
Q

Where does the Subarachnoid Space get its CSF?

A

The lateral and medial apertures

44
Q

Where do the lateral and medial apertures get their CSF?

A

The fourth ventricle

45
Q

Where does the fourth ventricle get its CSF?

A

Cerebral Aquaduct

46
Q

Where does the cerebral aquaduct get its CSF?

A

The third ventricle

47
Q

Where does the third ventricle get its CSF?

A

Intracentricular Foramen

(Foramen of Monroe)

48
Q

Where does the Intracentricular Foramen get its CSF?

A

Lateral Ventricles

49
Q

Where do the Lateral Ventricles get their CSF?

A

Choroid Plexus

By the Ependymal Cells

50
Q

What are these?

A

Arachnoid Granulations

51
Q

Label the following:

A

A = Dura Mater

B = Arachnoid Mater

C = Arachnoid Trabeculae

D = Pia Mater

E = Artery

F = Subarachnoid Space

G = Subdural Space

52
Q

What is this?

A

Cerebral Cortex

(Grey matter)

53
Q

Label the following:

A

A = Choroid Plexus

B = Lateral Ventricle

C = Third Ventricle

D = Cerebral Aquaduct / Aquaduct of Sylvius

E = Fourth Ventricle

F = Sagittal Sinus

G = Arachnoid Granulation (Villi)

H = Subarachnoid Space

54
Q

What is this called?

A

Diploe

55
Q

What kind of hemorrhage is this?

A

Subarachnoid

56
Q

What kind of hematoma is this?

A

Epidural

57
Q

What kind of hematoma is this?

A

Subdural

58
Q

Label the following:

A

A = Dura Mater

B = Arachnoid Mater

59
Q

Label the following:

A

A = Arachnoid Mater

B = Pia Mater

60
Q

Label the following:

A

A = Dura Mater

B = Arachnoid Mater

C = Pia Mater

61
Q

What is this?

A

Superior Sagittal Sinus

62
Q

Label the following:

A

A = Lateral Ventricles

B = Interventricular foramen

C = Third Ventricle

D = Cerebral Aquaduct

E = Fourth Ventricle

F = Central Canal

63
Q

Label the following:

A

A = Lateral Ventricles

B = Interventricular foramen

C = Third Ventricle

D = Cerebral Aquaduct

E = Fourth Ventricle

F = Central Canal

Speech Anatomy & Physiology (15 decks)

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