Large myelinated axons {A fiber} can come from motor or sense neurons. A fibers {A-alpha nerve} {alpha fiber} can be for proprioception or be somatic motor axons. Sensory A fibers {A-beta nerve} {beta fiber} can be for touch or pressure and travel in spinal cord from trigeminal nucleus. Intermediate-size myelinated sensory A fibers {A-delta nerve} {delta fiber} can be for pain, temperature, or touch and travel in spinal cord to trigeminal nucleus. Motor A fibers {A-gamma fiber} {gamma fiber} can be for muscle spindles.
Biological Sciences>Zoology>Organ>Nerve>Kinds
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Date Modified: 2022.0224