Spinal Reflexes Flashcards
1
Q
definition of a reflex
A
a simple, stereotypical, reproducible motor action elicited by a specific sensory stimulus which does not require conscious input
2
Q
3 types of reflexes
A
- stretch
- tendon
- withdrawal
3
Q
reflex where the primary spindle receptor causes monosynaptic excitation of homonymous motor neuron
A
stretch reflex
4
Q
reflex where there is disynaptic inhibition of homonymous motor neuron
A
tendon reflex
5
Q
reflex with polysynaptic excitation of flexors and inhibition of extensors
A
flexor (withdrawal) reflex
6
Q
what is unique about the flexor (withdrawal) reflex?
A
causes opposite effects contralaterally
