Lecture 4 - Neurotransmission + Propagation Flashcards
1
Q
4 functional reagions of the neuron
A
1 - reception
2 - initial segment
3 - conductive
4 - secretory
2
Q
What are Nissl bodies?
A
they’re ribosome clusters
3
Q
What is a ganglion?
A
The nucleus of a PNS
4
Q
4 movements of action potential
A
- resting membrane
- depolarisation
- repolarization
- hyperpolarization
5
Q
anterograde vs retrograde
A
used somewhere else vs recycled
6
Q
What is multiple sclerosis?
A
inflammatory response where mylein sheath get destroyed
7
Q
How to treat multiple sclerosis?
A
-reduce inflammatory destruction
-manage symptoms
-promote repair
8
Q
What are connexins?
A
-a protein that forms at gap junctions to connect, synchronize and spread
9
Q
3 options of termination of NT of the synaptic clef
A
- degradation - Postsynaptic membrane (Ach)
- reuptake - Postsynaptic terminal (NRE)
- diffusion - postsynaptic site (NO)
10
Q
how much time does it take for the NT to release, diffuse and receptor binding?
A
0.3-5ms
