Spinal cord and spinal nerves Flashcards
1
Q
What makes up a spinal nerve
A
Axon Myelin sheath Endoneurium Fascicle Perineurium Epineurium
2
Q
Grey matter and white matter
A
Grey matter is the butterfly shape in the middle and white matter is the rest of the spinal cord
3
Q
Anterior and posterior root
A
Posterior root is thicker and has a kind of swelling differentiating it from the anterior root
4
Q
Sensory pathways
A
Ascending pathway
first, second and/or third order neurons
5
Q
Motor pathways
A
Descending pathway
Upper and lower motor neurons
Pyramidal and extrapyramidal tracts
6
Q
Reflexes
A
a fast, involuntary, predictable sequence of events that occur in response to a particular stimulus
7
Q
5 parts of a reflex
A
- Sensory receptor
- Sensory neuron
- Integrating center
- motor neuron
- effector