T8 Flashcards
1
Q
There are uninsulated gaps between the Schwann cells known as…
A
the nodes of Ranvier
2
Q
What is the myelin sheath?
A
A fatty layer that insulates some axons and made up of specialised cells known as Schwann cells which wrap themselves around the axon
3
Q
What is resting potential?
A
4
Q
How are the ions pumped at an unequal rate?
A
every 3 Na+ pumped out of the axon, 2 K+ pumped in. This creates a conc gradient for them
5
Q
What is action potential?
A
6
Q
Where are neurotransmitters loacted?
A
contained within vesicles in the synaptic knob
7
Q
A
