neuro III Flashcards

1
Q

Basal plate of brain becomes

A

umn center and LMN nuclei

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2
Q

brain stem: neural canal expands ____ (direction)

A

dorsally

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3
Q

alar plate structures shift

A

laterally and ventrally

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4
Q

basal plate structure

A

pushed or squeezed medially

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5
Q

white matter of marginzal zone ends up

A

intermitent with gray matter

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6
Q

neural canal opens into

A

4th ventricle

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7
Q

alar plate structures shift _____

A

laterally

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8
Q

basal plate (motor) structure pushed

A

medially

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9
Q

cerebrum and cerebellum initial organization is

A

completely redone

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10
Q

gray matter moves

A

externally

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11
Q

gray matter guided by

A

glial cells called radial glia

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12
Q

white matter ends up

A

internal

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13
Q

ependymal cells of ventricular zone line

A

line ventricular spaces

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14
Q

glandular part of pituitary gland

A

adenohypothphysis

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15
Q

neural part of pituitary gland

A

neurohypophysis

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16
Q

goal

A

neuarl, CNS input to endocrine regulation

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17
Q

what are the sources of adenohypophysis

A

surface ectoderm in region of developing mouth

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18
Q

what is the source of neurohypophysis

A

neuroectoderm

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19
Q

stomodeum

A

endoderm and ectoderm adjacent at cranial end

20
Q

rathkes pouch of adenohypophysis

A

a dorsal diverticulum of hat will be the roof of the mouth

21
Q

eventually loses connection to stomodeum and fuses with

A

neurohypophysis

22
Q

ventral diverticulum of stomodeum (floor of developing brain)

A

neurohypophysis

23
Q

neurohypophysis retains its connection to diencephalon via a stalk called

A

the infundibulum

24
Q

cells of the _____ proliferate around the stalk

A

adenohypophysis

25
what are the meninges
membrane layers that surround the parts of the cns
26
dura mater
tough outer layer
27
arachnoid membrane
delicate, spider web-like, middle layer
28
pia mater
directly against CNS tissue
29
epidural space
outside dura mater
30
subdural space
between dura mater and arachnoid
31
subarachnoid space
between arachnoid and pia mater
32
epidural space in the spinal cord and vertebral canal
fat filled
33
epidural space of the skull
absent
34
subdural space
potential space
35
subarachnoid space
CSF
36
loose mesodermal tissue surrounds
neural tube after primary and secondary neurulation; that condenses to form dura mater
37
dura mater is
primarily dense collagenous connective tissue
38
in cranium, the mesodermal tissue consists of
an outer layer fused to the periosteum of bones surroundin ght ebrain and an inner layer
39
what is located between the two layers
venous sinuses
40
inner layer composed of 3 folds
falx cerebri tentorium cerebelli diaphragm sellae
41
falx cerebri
between cerebral hemispheres
42
tentorium cerebelli
between cerebrum and cerebellum
43
diaphragm sellae
between hypothalamus and pituitary gland
44
filum terminale
caudal most part of spinal cord tapered to narrow strand of ependymal and glial cells
45
caudal ligament
fuses with filum terminale and periosteum of one of the caudal vertebrae