Anatomy
C fiber
c fi·ber [ see fahy-ber ]
Definitions related to c fibers:
  • (c-fiber) The axon of a dorsal root ganglion cell that are responsive to pain and temperature. C-fibers are small in diameter (0.2-1.5 um) and unmyelinated.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • Unmyelinated sensory axons in peripheral nerves which carry slow pain responses; attached nociceptors are thought to be activated by a chemical released into the extracellular fluid as a result of tissue damage; widely distributed in deep tissue as well as skin.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Type C fibers are peripheral unmyelinated nerve fibers in which several AXONS are surrounded by a single Schwann cell (SCHWANN CELLS). They constitute more than half of the peripheral sensory nerve fibers as well as all the postganglionic autonomic fibers.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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