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Neuroanatomy Lecture > Ventricular System > Flashcards

Ventricular System Flashcards

1
Q

What produces cerebrospinal fluid?

A

the chorid plexus

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2
Q

What is the largest ventricle?

A

the lateral ventricle

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3
Q

How many lateral ventricles are there?

A

2

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4
Q

What is the lateral ventricle a derivative of?

A

the telencephalon

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5
Q

What connects the lateral ventricle to the third ventricle?

A

the interventricular foramen

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6
Q

What is the third ventricle dervied from?

A

the diencephalon

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7
Q

What connects the third ventricle with the fourth ventricle?

A

the cerebral aqueduct

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8
Q

What is the cerebral aqueduct derived from?

A

the mesencephalon

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9
Q

What is the fourth ventricle derived from?

A

the mesencephaon, metencephalon, and myelencephalon

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10
Q

What is the lateral aperature?

A

the opening from the fourth ventricle to the subarachnoid space

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11
Q

What connects the fourth ventricle with the medulla and the spinal cord?

A

the central canal

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12
Q

What CNS structures are associated with the lateral ventricle?

A

the cerebral hemisphere

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13
Q

What CNS structures are associated with the third ventricle?

A

the thalamus and hypothalamus

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14
Q

What CNS structures are associated with the cerebral aqueduct?

A

the mid brain

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15
Q

What CNS structures are associated with the fourth ventricle?

A

the pons and medulla oblongata

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16
Q

What structures is the choroid plexus located in?

A

the lateral, third, and fourth ventricles

17
Q

What lines the central canal?

A

ependymal cells

18
Q

What is the function of cerebrospinal fluid?

A

it protects the CNS from injury when jolted or hit

19
Q

What could cause cerebral edema?

A

absorption/circulatory problems of CSF

20
Q

What does severe cerebral edema cause?

A

Increase in intracranial pressure leads to herniation of the cerebrum and subsequent compression of the midbrain which leads to the narrowing/blocking the cerebral aqueduct (aqueductal stenosis) to accumulation of CSF in the lateral and third ventricles which leads to further increase in intracranial pressure which leads to more narrowing

21
Q

Where does build up of CSF occur if the cerebral aqueduct is obstructed?

A

in the lateral and third ventricles

22
Q

What is the difference between CSF build up in adults and puppies?

A

puppies skull bones have not fused therefore it can lead to an enlarged head - hydrocephalous

Neuroanatomy Lecture (17 decks)

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