Neurons and Glia Flashcards
1
Q
What components make up a neuron?
A
Dendrites - receive information.
Cell body - has a nucleus.
Axon hillock - triggers an action potential.
Axon - sends action potential.
Axon terminals - releases NTs.
2
Q
What types of neurons are there?
A
Sensory and motor - peripheral.
Intermediate - central.
3
Q
What are astrocytes?
A
CNS - glial cell.
Maintains external environment of neurons.
Surrounds blood vessels, forms blood brain barrier.
4
Q
What are ependymal cells?
A
CNS - glial cell.
Produces CSF.
5
Q
What are microglia?
A
CNS - glial cell.
Macrophages.
6
Q
What are oligodendrocytes?
A
CNS - glial cell.
Forms myelin sheath.
7
Q
What are Schwann cells?
A
PNS - glial.
Forms a myelin sheath.
8
Q
What are satellite cells?
A
PNS - glial.
Supports neuron cell bodies.
