neuro III

Question 1

Basal plate of brain becomes

Answer 1

umn center and LMN nuclei

Question 2

brain stem: neural canal expands ____ (direction)

Answer 2

dorsally

Question 3

alar plate structures shift

Answer 3

laterally and ventrally

Question 4

basal plate structure

Answer 4

pushed or squeezed medially

Question 5

white matter of marginzal zone ends up

Answer 5

intermitent with gray matter

Question 6

neural canal opens into

Answer 6

4th ventricle

Question 7

alar plate structures shift _____

Answer 7

laterally

Question 8

basal plate (motor) structure pushed

Answer 8

medially

Question 9

cerebrum and cerebellum initial organization is

Answer 9

completely redone

Question 10

gray matter moves

Answer 10

externally

Question 11

gray matter guided by

Answer 11

glial cells called radial glia

Question 12

white matter ends up

Answer 12

internal

Question 13

ependymal cells of ventricular zone line

Answer 13

line ventricular spaces

Question 14

glandular part of pituitary gland

Answer 14

adenohypothphysis

Question 15

neural part of pituitary gland

Answer 15

neurohypophysis

Question 16

goal

Answer 16

neuarl, CNS input to endocrine regulation

Question 17

what are the sources of adenohypophysis

Answer 17

surface ectoderm in region of developing mouth

Question 18

what is the source of neurohypophysis

Answer 18

neuroectoderm

Question 19

stomodeum

Answer 19

endoderm and ectoderm adjacent at cranial end

Question 20

rathkes pouch of adenohypophysis

Answer 20

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

Question 21

eventually loses connection to stomodeum and fuses with

Answer 21

neurohypophysis

Question 22

ventral diverticulum of stomodeum (floor of developing brain)

Answer 22

neurohypophysis

Question 23

neurohypophysis retains its connection to diencephalon via a stalk called

Answer 23

the infundibulum

Question 24

cells of the _____ proliferate around the stalk

Answer 24

adenohypophysis

Question 25

what are the meninges

Answer 25

membrane layers that surround the parts of the cns

Question 26

dura mater

Answer 26

tough outer layer

Question 27

arachnoid membrane

Answer 27

delicate, spider web-like, middle layer

Question 28

pia mater

Answer 28

directly against CNS tissue

Question 29

epidural space

Answer 29

outside dura mater

Question 30

subdural space

Answer 30

between dura mater and arachnoid

Question 31

subarachnoid space

Answer 31

between arachnoid and pia mater

Question 32

epidural space in the spinal cord and vertebral canal

Answer 32

fat filled

Question 33

epidural space of the skull

Answer 33

absent

Question 34

subdural space

Answer 34

potential space

Question 35

subarachnoid space

Answer 35

CSF

Question 36

loose mesodermal tissue surrounds

Answer 36

neural tube after primary and secondary neurulation; that condenses to form dura mater

Question 37

dura mater is

Answer 37

primarily dense collagenous connective tissue

Question 38

in cranium, the mesodermal tissue consists of

Answer 38

an outer layer fused to the periosteum of bones surroundin ght ebrain and an inner layer

Question 39

what is located between the two layers

Answer 39

venous sinuses

Question 40

inner layer composed of 3 folds

Answer 40

falx cerebri
tentorium cerebelli
diaphragm sellae

Question 41

falx cerebri

Answer 41

between cerebral hemispheres

Question 42

tentorium cerebelli

Answer 42

between cerebrum and cerebellum

Question 43

diaphragm sellae

Answer 43

between hypothalamus and pituitary gland

Question 44

filum terminale

Answer 44

caudal most part of spinal cord tapered to narrow strand of ependymal and glial cells

Question 45

caudal ligament

Answer 45

fuses with filum terminale and periosteum of one of the caudal vertebrae