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Specialised Anatomy for SLT > Week 10 > Flashcards

Week 10 Flashcards

1
Q

What are the protective layerings of the brain collectively known as?

A

The meninges.

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2
Q

What are the meninges?

A

Nonneural layers of tissue that protect the brain.

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3
Q

Name the 3 layers of the meninges.

A

Dura Mater
Arachnoid Mater
Pia Mater

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4
Q

Where are the meninges located?

A

Between the skull and grey mater.

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5
Q

What meningeal layer has 2 layers of tissue? Name these.

A

Dura Mater.

Periosteal Layer and Meningeal Layer.

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6
Q

What is the outer meningeal layer?

A

Dura Mater.

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7
Q

What meningeal layer is called “tough mother”?

A

2 layers of tissue.

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8
Q

What is the role of the dura mater?

A

It holds in the cerebrospinal fluid and protects the CNS.

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9
Q

What layer if the dura mater is closest to the skull?

A

Periosteal Layer.

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10
Q

What layer of the dura mater is closest to the arachnoid mater?

A

Meningeal Layer.

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11
Q

The ______ mater is a ____ membrane underside of dura mater.

A

Arachnoid, thin.

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12
Q

What is the space between the arachnoid and pia mater known as?

A

The sub-arachnoid space (chamber).

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13
Q

There is also fluid in the ____________ space.

A

Sub-Arachnoid.

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14
Q

What is the inner most meningeal layer known as?

A

The Pia Mater.

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15
Q

The Pia Mater is an extremely ____ membrane.

A

Thin.

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16
Q

What is the pia mater close to?

A

The cerebral cortex.

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17
Q

The _____ mater is tightly aligned to the cerebral cortex.

A

Pia.

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18
Q

What are chambers in the brain called?

A

Ventricles.

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19
Q

What does the subarachnoid chamber/space contain?

A

Cerebrospinal fluid.

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20
Q

What is CSF?

A

Cerebrospinal Fluid.

A protective fluid that’s produced, circulated and delivered back via ventricles.

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21
Q

Where is the cerebrospinal fluid created?

A

In the lateral ventricle.

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22
Q

List the pathway of ventricles from the lateral ventricles.

A

Lateral Ventricles > Third Ventricle > Cerebral aqueduct > Fourth Ventricle > Central Canal.

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23
Q

Name the ventricle-

Fairly Large and has 2 parts- one for each hemisphere.

A

Lateral Ventricles.

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24
Q

What is the third ventricle near to?

A

The thalamus.

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25
The ______ _______ is the central gray of midbrain.
Cerebral Aqueduct.
26
Name the ventricle, that its dorsal wall is the cerebellum.
Fourth Ventricle.
27
What is the central canal?
The gray matter of spinal cord.
28
What shape is the lateral ventricle?
A C-Shaped chamber.
29
The lateral ventricle is a c-shaped chamber, located in _____ ______ _________.
All 4 lobes.
30
What does the lateral ventricle sit around?
It sits around the Caudate Nucleus (part of the basal ganglia).
31
What does the lateral ventricle narrow into?
It narrows into the third ventricle.
32
Where does the third ventricle sit?
In between the 2 thalami.
33
The third ventricle is the point where the lateral ventricles ______ ______.
Come together.
34
The 3rd ventricle (top of midbrain) cavity narrows to become what?
To become the cerebral aqueduct.
35
The cerebral aqueduct opens in ____/_____as the what?
Pons/Medulla. | As the 4th Ventricle.
36
What does the 4th Ventricle do?
It supplies CSF to spinal cord and subarachnoid space.
37
What is the main artery that supplies blood to the brain?
The Aorta.
38
The _______ is the largest artery in the body.
Aorta.
39
Name the 4 main arteries of the anterior circulation of the brain.
- Internal Carotid Artery (ICA) - External Carotid Artery (ECA) - Middle Cerebral Artery (MCA) - Anterior Cerebral Artery (ACA).
40
What is the general artery that provides the brain with blood supply?
The Internal Carotid Artery (ICA).
41
The _____ ______ artery branches to the brain in order to give it, its blood supply.
Internal Carotid.
42
What is the role of the External Carotid Artery?
It provides a blood supply to the pharynx, tongue, face and eyes.
43
Where does the External Carotid Artery branch off from the common carotid artery?
(around about) The mandible :)
44
What is the artery most important for speech production?
The MCA- Middle Cerebral Artery.
45
Where does the Middle Cerebral Artery supply blood tp?
Speech, Language and hearing areas.
46
What artery supplies blood to the frontal lobe, parietal lobe, corpus callosum and basal ganglia?
Anterior Cerebral Artery (ACA).
47
The _____ _____ _______supplies the basal ganglia with blood.
Anterior Cerebral Artery (ACA).
48
Apart from anterior circulation, name the other type of circulation.
Posterior circulation.
49
Name the 4 main components of the posterior circulation.
- Subclavian Artery - Vertebral Artery - Basilar Artery - Posterior Cerebral Artery (PCA)
50
The vertebral artery goes up the ______ _______, and then what does it turn into?
Spinal Column. Turns into basilar artery.
51
What is the function of the Posterior Cerebral Artery?
To provide blood to the occipital lobe, thalamus and corpus callosum.
52
Name this. | Where the 2 routes to the brain connect and other major arteries arise.
The Circle of Willis.
53
At the Circle of Willis, the 2 routes to the brain connect, name these 2 routes.
Internal Carotid Artery | Vertebral Artery.
54
Where do the Anterior Cerebral Arteries supply blood to?
The frontal and parietal lobes.
55
Where do the posterior cerebral arteries supply blood to?
Occipital and temporal lobes.
56
What artery supplies blood to the frontal, parietal and temporal lobes?
The Middle Cerebral Artery.
57
The _______ branches off supplying blood to areas for speech and language production.
MCA - Middle Cerebral Artery.
58
The Middle Cerebral Artery runs straight along what fissure?
The Sylvian Fissure.
59
The middle cerebral artery supplies blood to: - ______ area - Primary ______ cortex - Most of primary- _______ and __________ cortex - ________ area - _______ gyrus and ________ gyrus - Arcuate _________.
``` Broca's Area Primary Auditory Cortex Most of primary motor cortex and somatosensory cortex Wernicke's Area Angular Gyrus and Supramaringal Gyrus Arcuate Fasciculus. ```
60
What would results in an interruption to the blood flow to all speech and language areas?
An infarct (or any disruption) at the junction between the Internal Carotid Artery (ICA) and MCA.
61
What would a deeper infarct (further into cerebral hemisphere) result in?
May produce more localised deficits of blood supply.

Specialised Anatomy for SLT (13 decks)

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