Structure of Neurones Flashcards
(3 cards)
1
Q
What are the three types of neurones?
A
- motor
-sensory
-relay
2
Q
Describe the structure of a motor neurone.
A
- cell body contains nucleus and ribosomes
- axon to conduct impulses
- myelin sheath surrounding the axon which provides electrical insulation
- nodes of ranvier are gaps in the myelin sheath
- synaptic knobs which allow communication
3
Q
How do impulses move along myelinated neurones?
A
jump from node to node
