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Sp24 - General Neuroscience > (E1) 5 - Ventricles and CSF > Flashcards

(E1) 5 - Ventricles and CSF Flashcards

Exam 1

1
Q

What forms the ventricular system?

A

Canal of neural tube

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2
Q

What composes the ventricular system?

A

(series of cavities located within the brain)

Lateral Ventricles (paired)
3rd ventricle
4th ventricle
Central canal

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3
Q

What do the lateral ventricles develop from?

A

Prosencephalon/cerebral hemisphere

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4
Q

What does the 3rd ventricle develop from?

A

Diencephalon

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5
Q

What does the 4th ventricle develop from?

A

Rhombencephalon

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6
Q

What is the interventricular foramen?

A

Communication between the lateral and 3rd ventricle.

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7
Q

What is the cerebral aqueduct communicating between?

A

Communication between the 3rd and 4th ventricles

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8
Q

What are the structures that make up the lateral ventricle?

A
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9
Q

What is the other name for the interventricular foramen?

A

Foramen of Monro

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10
Q

What is the other name for the cerebral aqueduct?

A

Aqueduct of Sylvius

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11
Q

Where is the cisterna magna?

A

Behind the central canal

  • serves as a reservoir (enlargements in the ventricular system)
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12
Q

What is the other name for the median aperture?

A

Foramen of Magendie

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13
Q

Ventricles contain _______

A

CSF

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14
Q

What produces CSF?

A

Specialized epithelial cells in the ventricles

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15
Q

What is the choroid plexus?

A
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16
Q

Choroid plexus has ___________ that prevents some substances from entering CSF

A

Tight Junctions

17
Q

Role of the Choroid Plexus

A
  • Folds into villi surrounding each fenestrated capillary (project into ventricles)
  • Produce CSF
  • Acts as blood-CSF barrier
18
Q

CSF Production: Where, What, and How much?

19
Q

What is between the arachnoid and pia layer?

A

Subarachnoid space (blood vessels present diving into spaces in the ventricles)

20
Q

Pathway of CSF

21
Q

What is another name for the lateral aperture?

A

Foramen of Luschka

22
Q

Is the subarachnoid space between the brain and spinal cord continuous?

23
Q

The _______ play a significant role in the return of the CSF into the venous system

A

Arachnoid Villi

24
Q

CSF is returned to the ________ via _______ and pressure gradient

A

Venous system
Arachnoid Granulations

25
Q

Function of CSF

26
Q

Describe common causes of Hydrocephalus (3 types)

27
Q

What can aqueductal stenosis lead to?

A

Hydrocephalus

28
Q

What is a CSF leak?

29
Q

Method of excess CSF removal.

30
Q

Symptoms of CSF leak

31
Q

2 Treatment options for CSF leak (be specific)

A

Spinal: blood patch
Hydrocephalus: shunt

Sp24 - General Neuroscience (11 decks)

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