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Neuroanatomy > Ventricular System and Hydrocephalus > Flashcards

Ventricular System and Hydrocephalus Flashcards

1
Q

CSF

A

produced in brain ventricles
buffer to absorb stress
circulates unidirectionally from ventricles to surface of brain

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2
Q

Brain Ventricles

A

2 lateral ventricles
3rd- in midbrain
4th- b/t pons, medulla, cerebellum

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3
Q

CSF Production

A

ependymal lining of choroid plexus

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4
Q

Foramina of Lushka and Magendie

A

allow CSF to exit from 4th ventricle
Lushka- lateral
Magendie- median

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5
Q

Aqueduct of Sylvius

A

ending of 3rd ventricle, goes to 4th

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6
Q

Recesses

A

4 protrusions of 3rd ventricle

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7
Q

Interventricular Foramen of Monroe

A

communication between lateral ventricles

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8
Q

CSF Circulation

A

Lateral Vent- 3rd Vent- 4th Vent- Subarachnoid space- Venous sinuses

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9
Q

Arachnoid Granules

A

protrusions of arachnoid thru dura mater

allow CSF to exit subarachnoid space and enter bloodstream

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10
Q

Hydrocephalus

A

CSF circulation blocked or excess CSF made or problems reabsorbing CSF causing pressure to rise

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11
Q

Papilloma

A

blockage of CSF by tumors of choroid plexus

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12
Q

Communicating Hydrocephalus

A

ventricles can still communicate

blockage is outside

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13
Q

Non-Communicating Hydrocephalus

A

blockage is within the ventricles

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14
Q

CSF change during infection

Protein

A

increases with bacterial, viral, and fungal infections

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15
Q

CSF change during infection

Pressure

A

increases with bacterial, viral, and fungal infections

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16
Q

CSF change during infection

Glucose

A

decreases from bacterial and viral infections

17
Q

CSF change during infection

WBC

A

increases with bacterial, viral, and fungal infections

18
Q

Normal Pressure Hydrocephalus

A

in elderly
1/2 have intermittent increase in ICP
from decreased reabsorption
causes bladder issues, dementia, ataxia

19
Q

Pseudotumor Cerebri

A

more common in women
assoc w/ obesity and BCP
Papilledema, increased ICP
headache, 6th nerve palsy

Neuroanatomy (7 decks)

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