PNS Classification Flashcards
1
Q
A fibers
A
- Large
- Myelinated
- High conduction rate
- Alpha, Beta, Gamma, Delta subsets
2
Q
B fibers
A
- Medium fibers
- Myelinated
- Reasonably fast conduction rate
- Preganglionic fibers of the ANS
3
Q
C fibers
A
- Small fibers
- Poorly or unmyelinated
- Slow conduction rate
- Postganglionic fibers of the sympathetic NS
- Exteroceptors for pain, temperature and touch
4
Q
A alpha fibers
A
- Alpha motor neurons
- Touch
- Muscle spindle 1* endings
- GTO
5
Q
A beta fibers
A
- Touch
- Kinesthesia
- Muscle spindle 2* endings
6
Q
A gamma fibers
A
- Touch
- Pressure
- Gamma motor neurons
7
Q
A delta fibers
A
- Pain
- Temperature
- Touch
- Pressure