neurons Flashcards
1
Q
what cells help neurons to function?
A
glial cells
2
Q
function of the axon hillock
A
decides whether to fire an action potential
3
Q
function of the dendrites
A
receives info from other neutrons and relays it to the cell body
4
Q
function of the axons
A
transmits info to other neutrons, muscles, or glands
5
Q
function of the myelin sheath
A
insulating layer of glial cells; helps to transmit info efficiently
6
Q
function of the cell body
A
coordinates info processing tasks and keeps the cell alive
7
Q
function of the nodes of ranvier
A
gap between myelin sheaths; electrical impulse jumps across it to speed up signal transmission
8
Q
what is neurogenesis
A
the creation of new neurons (can be from neural stem cells)
