CNS and PNS Flashcards
1
Q
What are the components for the CNS?
A
The brain and spinal cord.
2
Q
What are the components of the PNS?
A
Everything but the brain and spinal cord
3
Q
Efferent (motor) system…
A
Is the system which has an effect.
Reacts to the information coming from the afferent neurons.
4
Q
Afferent (sensory) system
A
Affect.
Gathers sensory information to send to the brain.
5
Q
Pyramidal system is…
A
The pathway for voluntary movement.
6
Q
Extrapyramidal system is…
A
The pathways for postural control and certain reflex movement.
7
Q
Neuronal structure:
A
Cell body - location of the nucleus.
Dendrites - take in information.
Axon - main projection in which information will be transmitted out.
Terminal - impinges on a target neuron.
8
Q
Synapses is…
A
The passing of information from one neuron to another
