neurones Flashcards
1
Q
What is it called when electrical impulses jump form one node to the next
A
Saltatory conduction
2
Q
What are small uninsulated gaps between axons called
A
Nodes of ranvier
3
Q
What is the myelin sheath formed by
A
Schwann cells
4
Q
What is a stimulus
A
A change in the environment
5
Q
What are the 2 features of the reflex arc
A
Rapid & involuntary
6
Q
Where are photoreceptors found in the eye
A
Retina
7
Q
Where are gone cells found
A
The fovea
