Group B nerve fibres area) Sympathetic preganglionicb) Sympathetic postganglionicc) Parasympathetic preganglionicd) Parasympathetic post ganglionic
High-Yield Explanation
Types of nerve fibers
A fibers are fast fibers.
- Aα- Somatic motor to extrafusal fibers of muscle spindle, proprioception
- Aβ- Kinesthetic, pressure and touch
- Aγ- Motor to intrafusal fibers of muscle spindle
- Aδ- Pain, temperature, touch and pressure
- B fibers- Autonomic preganglionic (Myelinated)
- C fibers- Pain, temperature, autonomic postganglionic (mainly sympathetic)