embryo 1 Flashcards

1
Q

gliablasts that migrate to the marginal layer form ____

A

astrocytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

gliablasts that migrate to the mantle layer form ____

A

oligodendroglia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

when neuroepithelial cells finish producing gliablasts, remaining neuroepithelial cells will differentiate into _____ which line the central canal of the spinal cord and other ventricular spaces within the CNS

A

ependymal cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

when BVs grow into the brain, vascular mesenchymal cells give rise to ____ which are the phagocytic cells of the CNS

A

microglia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

glial cells:

A
astrocytes
oligodendroglia
ependymal cells
microglia
schwann cells (neural crest)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

neural crest cell derivatives

A

viscerocranium, ganglia, odontoblasts, enteric and ANS, adrenal medulla, glial cells and leptimeninges, trunks of great vessels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

in the adult, the spinal cord terminates at ____ and the dura at ___

A

L2/3 ; S2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

in the developing cerebellum, the ____ come together to form the _____, which gives rise to the cerebellum

A

rhombic lips; cerebellar plate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

in the developing cerebellum, the midline portion is the _____ and laterally are the _____

A

vermis; hemispheres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

a _____ forms to separate out the ____ from the vermis and the ____ from the hemispheres

A

transverse fissure; nodule; flocculus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

the nodule and flocculus from each side form the _____

A

flocculondular lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

in the midbrain, the marginal layer around the basal plates will enlarge to form the _____ aka _____

A

crus cerebri ; cerebral peduncles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

the alar plates form the _____ and ____ in the midbrain; they also form _____

A

superior; inferior colliculi; red nucleus substantia nigra

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

the diencephalon has ____ and a ____

A

alar plates; roof plate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

the roof plate of the diencephalon will form _____ and also the ____

A

choroid plexus of 3rd ventricle; pineal body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

medially within the diencephalon is the ____ and laterally are the _____

A

3rd ventricle; alar plates

17
Q

a groove appears within each alar plate called the ____, dividing the alar plate into the ____ and _____

A

hypothalamic sulcus; thalamus; hypothalamus

18
Q

the pituitary gland or hypophysis is formed from:

A

Rathke’s pouch (ectodermal outpocketing from primitive oral cavity)
infundibulum- downward extension of diencephalon

19
Q

cortex of the adrenal gland derived from _____ and medulla derived from _____ called _____

A

mesoderm; neural crest cells ; chrommafin cells

20
Q

cranial region opening of neural tube

A

anencephaly

21
Q

spinal region opening of neural tube

A

spina bifida

22
Q

modalities of each section of brainstem

A

medulla and pons contain all 6; midbrain contains only somatic efferent and general visceral efferent

23
Q

the hindbrain is split into eight _____, which give rise to the _____ of the cranial nerves

A

rhombomeres; motor nuclei

24
Q

the sensory nuclei of the cranial nerves are derived from _____ and _____

A

ectodermal placodes; neural crest cells