L20 - Nervous System Anatomy Flashcards
1
Q
What are the divisions of the nervous sytem?
A
- central nervous system (CNS)
- peripheral nervous syrem (PNS)
2
Q
What parts include the CNS?
A
- brain
- spinal cord
3
Q
What parts include the PNS?
A
Nerves in the rest of the body
4
Q
What is the simple sequence in the nervous system?
A
- afferent from periphery (sensory)
- to NS
- efferent back to periphery
5
Q
What is the periphery?
A
Everything outside NS
6
Q
What are the different types of NS?
A
- somatic - somatic motor (muscles under voluntary control, consicous)
- autonomic - visceral motor (subconscious movement)
7
Q
What are the different regions of the spinal nerves?
A
- cervical
- thoracic
- lumbar
- sacral
8
Q
What are the different inputs to the CNS?
A
- touch and visceral input
- sight
- sound
- smell
- taste
9
Q
What are the different touch and visceral inputs?
A
- mechanoceptors (touch)
- proprioceptors
- nociceptors (pain)
- thermoceptors (temp/heat)
- chemoceptors (chemicals)
10
Q
What are the different part in the cross section of spinal cord?
A
- grey matter
- white matter
- dorsal root ganglion
- dorsal root ganglion cell
- vental rool
- sensory neuron
- sensory receptor
