Coding 18 - 20 Flashcards

(31 cards)

1
Q

What is the placode made of?

A

Transient ectoderm regions

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

Are they separated?

A

Yes there are some placodes selective to the posterior and some only at the anterior

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

What do cranial placodes give rise to?

A

Ganglia cells

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

What do ganglia make?

A

They generate the cranial nerve

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

What is sclerotome?

A

These are sub-somites formed from the region close to the neural tube and notochord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the basic unit of the kidneys?

A

Nephrons

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

What is the ureter?

A

It is a structure that forms from the initial uteric bud and sends urine to the bladder

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

Where does the heart come come from?

A

The lateral plate mesoderm

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

What does the coelom form between?

A

The splanchic lateral plate mesoderm and the somatic lateral plate mesoderm

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

What does the coelom do for the heart?

A

The folding causes the heart rudiments to come together

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

What leads to the heart looping?

A

Crescent Wnt inhibited -> High BMP -> Activates NKx2.5 -> Heart loops

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

What does the mesenephros become?

A

The wolfian duct

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

What is LGR?

A

A receptor for the RSPO1 ligand

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

What does RSPO1 do?

A

Stabalizes the beta catenin

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

What does SRY do?

A

It acts as a transcription factor and activates SOX9 which then binds to AMH and degrades the mullerian duct

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

What inhibits somite formation?

17
Q

What represses FGF8?

A

Retinoic acid

18
Q

What makes the ureter?

A

Intermediate mesoderm

19
Q

What makes the urethra?

20
Q

What makes the bladder?

21
Q

Where is Otx2 expressed?

A

Forebrain and midbrain

22
Q

Where is Gbx2 expressed?

23
Q

Which Hox gene makes the hindbrain?

24
Q

What happens in the ventricular zone?

A
  • Stem cells continue dividing
  • Neuron birthday
25
What happens in the intermediate zone?
Grey matter
26
What happens in the marginal zone?
White matter
27
What happens in the neocortex?
6 layers of the cerebral cortex are made
28
What are the purkinje cells?
Primary excitatory cells of the cerebellum
29
What are the granuole cells?
These are inhibitory cells from the rhombic lip that migrate tangentially and proliferate
30
What are the radial glia cells?
These are neural stem cells
31