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NEURO > Ventricles > Flashcards

Ventricles Flashcards

1
Q

True or False. There is NO CHOROID PLEXUS in the anterior and posterior horns of lateral ventricles

A

True

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2
Q

Provides PROTECTIVE cushioning for the brain and NUTRITION

A

CSF

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4
Q

Largest of the ventricles

A

Lateral ventricles

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5
Q

Ventricular system is composed of ____ lateral ventricles, third ventricle, fourth ventricle and cerebral aqueduct.

A

2

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6
Q

Attachment of the plexus to the adjacent brain structures

A

Tela choroidea

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7
Q

Elevation of the ventricular wall produced by the calcarine fissure

A

Calcar avis

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10
Q

Long narrow portion of lateral ventricle that extends from interventricular foramen to a point opposite the SPLENIUM of corpus callosum

A

Body of lat. ventricle

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11
Q

Borders of FORAMEN OF MONRO:

  • Anterior nucleus of thalamus
  • Septum pellucidum
  • Fornix
  • Thalamostriate vein
A

Contains CHOROID PLEXUS

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12
Q 
Boundaries of body:
A. Floor: Thalamus
B. Lateral: BODY of caudate
C. Medial: Septum pellucidum
D. Roof: corpus callosum
E. All are paired correctly
A

E

Roof: CORPUS CALLOSUM
Medial: posterior part of SEPTUM PELLUCIDUM
Lateral: BODY of caudate
Floor: (medial to lateral)
     Fornix
     Choroid plexus
     THALAMUS
     Stria terminalis
     Vena terminalis
     Caudate nucleus
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13
Q

Continuous fluid-filled system

A

Ventricular system

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14
Q

Occupies midline of the diencephalon

A

Third ventricle

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15
Q

Contains abundant tuft of choroid plexus which is continuous with choroid plexus of body and temporal horn.

A

Atrium/trigone

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16
Q

Passageway between each lateral ventricle and the 3rd ventricle

A

Foramen of Monro

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17
Q

Fringe-like vascular process of PIA MATER containing capillaries of the choroid arteries

A

Choroid plexus

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18
Q

Boundaries of third ventricle:
A. Lateral: Bilaterally bordered by THALAMUS and HYPOTHALAMUS
B. Posterior: lamina terminalis, posterior commisure
C. Anterior: lamina terminalis, anterior commisure

A

B. Posterior: SUPRAPENIAL and PINEAL recesses, posterior commissure

Lateral: bilaterally bordered by THALAMUS and HYPOTHALAMUS
Anterior: LAMINA TERMINALIS, ant. commisure, OPTIC recess
Roof: Tela choroidea - contains choroid plexus and internal cerebral vein
Posterior: SUPRAPINEAL and PINEAL recesses, post. commisure

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19
Q

Communicating system of cavities that are lined with _____________.

A

Ventricular system; ependyma

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21
Q

Wide area of the body that connects the posterior and inferior horns

A

Atrium

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23
Q

A large extension of the third ventricle above the EPITHALAMUS
A. Suprapineal recess
B. Infundibular recess
C. Pineal recess

A

A

24
Q

Third ventricle has thin membranous roof, ________________, containing choroid plexus

A

Tela choroidea

25
Q

T or F. Aqueduct of sylvius is located within the pons.

A

F. Within the MIDBRAIN

26
Q

4th ventricle extends under the ________ into the CENTRAL CANAL of MEDULLA

A

Obex

29
Q

Narrowest part of the ventricular system with NO CHOROID PLEXUS

A

Aqueduct of Sylvius

30
Q

Connects 3rd and 4th ventricles

A

Aqueduct of Sylvius

31
Q

Extends into the occipital lobe

A

Inferior/Temporal horn

32
Q

These aperture empties into the SUBARACHNOID SPACE at the origins of CN IX and X

A

FORAMEN OF LUSCHKA

33
Q

Pyramid shaped cavity bounded ventrally by the pons and medulla

A

4th ventricle

34
Q 
Boundaries of inferior/temporal horn:
A. Roof: Corpus callosum
B. Medial: HEAD of the caudate nucleus and HIPPOCAMPUS
C. All are paired correctly
D. All are not paired correctly
A

B. Medial: TAIL of caudate nucleus and HIPPOCAMPUS

35
Q

True or False. 4th ventricle communicates freely with subarachnoid space through two apertures: foramen of MONRO and LUSCHKA

A

False. Three apertures: (2) MAGENDIE (1) LUSCHKA

36
Q

Median aperture of MAGENDIE empties into the ___________, anterior extension of the CISTERNA MAGNA

A

Valleculla

37
Q

True or False. Choroid plexus of 4th ventricle is attached to the INFERIOR medullary velum and extends laterally to the LATERAL apertures of MONRO

A

False. Lateral apertures of LUSCHKA

38
Q

Trace the CSF circulation

A 
Lateral ventricles
foramen of Monro
Third ventricle
Cerebral aqueduct of Sylvius
Fourth ventricle
foramen of Luschka
foramen of Magendie
Subarachnoid space
Arachnoid villi
Superior sagittal sinus
39
Q

Choroid plexus extends from the _____________ where it joins with plexuses of the third ventricle and opposite lateral ventricle, to the end of inferior horn

A

Interventricular foramen of Monro

40
Q

True or False. 4th ventricle has an incomplete roof which is formed by the ANTERIOR and POSTERIOR medullary vela.

A

True

41
Q

True or False. Total volume of CSF renewed 4 times in a day

A

False. Only 3 times a day

42
Q

Funnel shape downward extension where HYPOPHYSIS is attached.
A. Optic recess
B. Infundibular recess
C. Pinael recess

A

B

43
Q

Choroid epithelium has ____________
A. Gap junction
B. Desmosome
C. Tight junction

A

C

44
Q

True or False. CSF has lqow cellular and high protein content.

A

False. Low cellular and protein content

45
Q

Boundaries of posterior horn:
A. Roof: CORPUS CALLOSUM
B. Medial: CALCAR AVIS
C. All are paired correctly

A

C

46
Q 
Extensions of the third ventricle between the lamina terminalis and optic chiasm
A. Infundibular recess
B. suprapineal recess
C. Pineal recess
D. Optic recess
A

D

47
Q

Point at which the 4th ventricle passes up into the cerebellum is called ____________

A

Apex/Fastigium

48
Q

The floor of 4th ventricle is also known as _____________

A

Rhomboid fossa

49
Q

In front of the interventricular foramen

A

Anterior/frontal horn

52
Q 
Boundaries of anterior horn:
A. Medial: head of nucleus
B. Floor: rostrum of corpus callosum
C. Lateral: head of caudate nucleus
D. Roof and anterior border: corpus callosum
A

A. Medial: SEPTUM PELLUCIDUM, fornix and genu of corpus callosum

Lateral: HEAD of caudate
Floor: ROSTRUM of corpus callosum

53
Q

Boundaries of FOURTH VENTRICLE
A. Roof: inferior cerebellar vela
B. Floor: pons and medulla
C. Lateral: 3 cerebellar peduncles

A

A. Roof: SUPERIOR and INFERIOR medullary vela, SUPERIOR cerebellar peduncle

Floor: pons and medulla
Lateral: 3 cerebellar peduncles

NEURO (4 decks)

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