Lecture 5: The Neuron Flashcards
1
Q
What is the soma of a neuron?
A
The cell body.
2
Q
What is the cytoplasm of a neuron called?
A
Perikaryon.
3
Q
What do lipofuscin bodies contain?
A
Lysosomal waste.
4
Q
Microfilaments are formed of what?
A
Two actin polymers that form an alpha helix.
5
Q
Which is not dynamic, microtubules, neurofilaments or microfilaments?
A
Neurofilaments. They are strong and stable. The “bones” of the cytoskeleton.
6
Q
What are the three types of dendritic spine?
A
Thin
Mushroom
Stubby
7
Q
What happens at the axon hillock?
A
It’s the site of summation of EPSPs and IPSPs.
8
Q
Are kinesins or dyneins involved in anterograde axonal transport?
A
Kinesins! Dyneins are involved in retrograde axonal transport.
