random Flashcards

1
Q

tractography

A

3D modelling technique
visually represents neural tracts

uses MRI techniques

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

tractography

A

3D modelling technique
visually represents neural tracts

uses MRI techniques

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

axon hillock

A

part of the cell body that connects to the axon

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

telodendria

A

the branches that axons divide into

axon terminals containing synaptic vesicles at the end of each telondron

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

synaptic number and strength underlies

A

processing of sensory information
motor circuits
memory formation

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

loss of synapses leads to

A

dementia

paralysis

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

types of glia

A

oligodendrocytes
astrocytes
microglia
ependymal cells

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

synaptic pruning

A

process of synaptic elimination

occurs during development

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

phrenology

A

feeling lumps on patients brain to work out personality and character

false hypothesis

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

rhombomere

A

segment of developing neural tube

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

notochord

A

flexible rod
helps form midline structure and organisation in neural tube development

essential for patterning of tissues

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

what secretes Shh

A

motor chord and floor plate

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

topographic maps

A

represent motor and sensory regions

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

retinotectal pathway

A

orients eye towards stimulus

visualisation of this can be seen in the zebrafish
analysis of axon guidance

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

commissure formation

A
highly organised by expression of transcription factors 
think ladder (robo/slit)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

commissure

A

band of nerve tissue connecting the hemispheres of the brain, the two sides of the spinal cord, etc.

17
Q

differential interference contrast (DIC) microscopy

A

enhances contrast in unstained transparent sampes

18
Q

total internal reflection fluorescence microscopy (TIRFM)

A

observes thin region of specimen

19
Q

advantages of zebrafish as model organism

A
small 
cheap
easy to maintain
grow quickly
hundredes of offspring 
similar genetic structure to humans
20
Q

axon hillock

A

part of the cell body that connects to the axon

21
Q

telodendria

A

the branches that axons divide into

axon terminals containing synaptic vesicles at the end of each telondron

22
Q

synaptic number and strength underlies

A

processing of sensory information
motor circuits
memory formation

23
Q

loss of synapses leads to

A

dementia

paralysis

24
Q

types of glia

A

oligodendrocytes
astrocytes
microglia
ependymal cells

25
Q

synaptic pruning

A

process of synaptic elimination

occurs during development

26
Q

phrenology

A

feeling lumps on patients brain to work out personality and character

false hypothesis

27
Q

rhombomere

A

segment of developing neural tube

28
Q

notochord

A

flexible rod
helps form midline structure and organisation in neural tube development

essential for patterning of tissues

29
Q

what secretes Shh

A

motor chord and floor plate

30
Q

topographic maps

A

represent motor and sensory regions

31
Q

retinotectal pathway

A

orients eye towards stimulus

visualisation of this can be seen in the zebrafish
analysis of axon guidance

32
Q

commissure formation

A
highly organised by expression of transcription factors 
think ladder (robo/slit)
33
Q

commissure

A

band of nerve tissue connecting the hemispheres of the brain, the two sides of the spinal cord, etc.

34
Q

differential interference contrast (DIC) microscopy

A

enhances contrast in unstained transparent sampes

35
Q

total internal reflection fluorescence microscopy (TIRFM)

A

observes thin region of specimen

36
Q

advantages of zebrafish as model organism

A
small 
cheap
easy to maintain
grow quickly
hundredes of offspring 
similar genetic structure to humans