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CNS > Test 1 #3 > Flashcards

Test 1 #3 Flashcards

1
Q

The cerebellum contains (3)

A

cortex
white matter
subcortical nuclei

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2
Q

The ______ is composed of the pons and the cerebellum

A

metencephalon

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3
Q

Part of the rhombencephalon that does not expand forms (3)

A

medulla
pyramid
dorsal column

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4
Q

Forebrain, midbrain, and hindbrain are called _____

A

primary vesicles

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5
Q

Secondary vesicles appear around the ____ week

A

5-6th

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6
Q

______ is classified as both primary and seconday

A

Mesencephalon

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7
Q

Bends in the brain are called _____

A

flexures

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8
Q

_____ & _____ flexures are called primary flexures and the ____ flexure is callled seconday

A

cervical, cephalic, pontine

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9
Q

The primary flexures occur in the _____ week

A

early 4th

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10
Q

Cervical flexure is between the ____ & _____

A

medulla, spinal cord

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11
Q

Cephalic flexure is between _____ & ______

A

prosencephalon, midbrain

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12
Q

Both cephalic and cervical flexure are located on the _____ side, which is concave _____

A

ventral, ventrally

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13
Q

Pontine flexure occurs at the ____ week

A

end of 4th beginning of 5th

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14
Q

Pontine flexure is located on the ____ side, and is concave _____

A

dorsal, dorsally

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15
Q

Pontine flexure forms the _____ and is located between _____ & _____

A

rhomboid fossa, pons/medulla, cerebellum

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16
Q

______ grows laterally and forms both the lateral ventricles

A

Telencephalon

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17
Q

____ makes the 3rd ventricle

A

Diencephalon

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18
Q

Mesencephalon makes up the walls of the _____ and connects the ___ & _____ ventricles

A

cerebral acqueducts, 3rd, 4th

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19
Q

Metencephalon makes up the walls of the ____ ventricle at the _____

A

4th , pontine flexure

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20
Q

There is very little CSF in the _____

A

central canal

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21
Q

Neural crest cells are ____ and make the _____

A

migratory, PNS

22
Q

With the neural tube the motor structures are in the ___ plate and it is located on the _____ side. The sensory structures are in the ___ palte and it is located on the _____ side

A

basal plate, ventral, alar plate, dorsal

23
Q

The groove between the alar and basal plate is called the ______

A

sulcus limitans

24
Q

In the midbrain the motor structures are ____ and the sensory structures are _____

A

medial, lateral

25
Q

With cell development in the spinal cord, the neural tube divides into 3 zones

A

Ventricular (inner)
Intermediate
Marginal(outer)

26
Q

Innermost(ventricular) zone has (4) cells

A

immature cell
germ cell
stem cell
neuroepithelial cells

27
Q

Intermediate zone has (2)

A

neuroblasts

glioblast

28
Q

The marginal(outer) zone has (2)

A

mature neuron

mature glial cells

29
Q

Brain and spinal cord are surrounded by connective tissue layers (3)

A

Dura Mater
Arachnoid Mater
Pia Mater

30
Q

____ mater is the outer layer, _____ mater is the whispy middle layer, and _____ mater is the layer to brain and spinal cord

A

Dura, arachnoid, pia

31
Q

Brain stem and spinal cord both have all 3, the difference is the ______

A

arrangement

32
Q

Cranial dura has 2 layers

A

Periosteal

Meningeal

33
Q

The _____ layer is highly vascular, the _____ layer has no blood supply

A

Periosteal, Meningeal

34
Q

The space between the 2 cranial dura layers are _____ and they act like veins

A

sinuses

35
Q

The cranial dura is innervated by (2)

A

C1-C3 sensory dorsal roots

Trigeminal root

36
Q

Folds of the meningeal layer (3)

A

Falx cerebri
Tentorium cerebelli
Falx cerebelli

37
Q

____ is between the 2 hemispheres of the cerebrum

A

Falx cerebri

38
Q

______ is between the cerebellum and cerebrum

A

Tentorium cerebelli

39
Q

_____ is between the 2 hemispheres of the cerebellum

A

Falx cerebelli

40
Q

The cranial arachnoid has fibers from the main membrane to the pia mater called ______

A

trabeculae

41
Q

The cranial arachnoid suspends the brain in _____

A

CSF

42
Q

Space between the dura and arachnoid space is called _____

A

subdural space

43
Q

Large area of space, or pouch, of the arachnoid is called the arachnoid ______

A

cistern

44
Q

The _____ cistern is largest between end of spinal cord and dura mater

A

lumbar

45
Q

The arachnoid ______ is found within the sinus and the area where CSF is released into the sinus

A

granulation

46
Q

Cranial pia is tightly attached to the _____

A

brain

47
Q

Spinal dura mater has 1 layer, the _____

A

meningeal layer

48
Q

Between the bone, perosteum and the meningeal layer is the _____

A

epidural fat pad

49
Q

A plexus of _____ separates the epidural fat pad from vertebral periosteum

A

veins

50
Q

The dura surrounding the spinal cord is called the _____, and ends at vertebral level ______

A

dural sac, S2

CNS (15 decks)

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