Nerves Flashcards
1
Q
what is the function of dendrites
A
receive information
2
Q
what is the function of the initial segment (axon hillock)
A
triggers axon potential
3
Q
what is the function of the axon
A
sends action potential
4
Q
what is the function of the axon presynaptic terminals
A
release transmitter
5
Q
what do astrocytes do
A
maintain the external environment for the neurones
surround blood vessels and produce the blood brain barrier
6
Q
what do oligodendrocytes do
A
form myelin sheaths in the CNS
7
Q
what do Microglia do
A
phagocytic hoovers mopping up infection
8
Q
what is the difference between grey and white matter in the brain
A
grey matter contains cell bodies, dendrites and axon terminals so its where all the synapses are
white matter is myelinated axons that connect all the grey matter to each other
