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A free nerve ending (FNE) or bare nerve ending, is an unspecialized, afferent nerve fiber sending its signal to a sensory neuron. Afferent in this case means bringing information from the body's periphery toward the brain. They function as cutaneous nociceptors and are essentially used by vertebrates to detect noxious stimuli that often result ...
Group A nerve fibers are one of the three classes of nerve fiber as generally classified by Erlanger and Gasser. The other two classes are the group B nerve fibers , and the group C nerve fibers . Group A are heavily myelinated , group B are moderately myelinated , and group C are unmyelinated.
Allodynia can also be caused when a nociceptor is damaged in the peripheral nerves. This can result in deafferentation, which means the development of different central processes from the surviving afferent nerve. With this situation, surviving dorsal root axons of the nociceptors can make contact with the spinal cord, thus changing the normal ...
List of medical abbreviations: Overview; List of medical abbreviations: Latin abbreviations; List of abbreviations for medical organisations and personnel; List of abbreviations used in medical prescriptions; List of optometric abbreviations
Some nociceptors are unspecialized free nerve endings that have their cell bodies outside the spinal column in the dorsal-root ganglia. [3] Others are specialised structures in the skin such as nociceptive schwann cells. [4] Nociceptors are categorized according to the axons which travel from the receptors to the spinal cord or brain. After ...
The dorsal column–medial lemniscus pathway (DCML) (also known as the posterior column-medial lemniscus pathway (PCML) is the major sensory pathway of the central nervous system that conveys sensations of fine touch, vibration, two-point discrimination, and proprioception (body position) from the skin and joints.
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Sensory innervation of the temporomandibular joint is provided by the auriculotemporal nerve and the masseteric nerve [8]: 412 (both branches of mandibular nerve (CN V 3) which is in turn a branch of the trigeminal nerve (CN V). [citation needed] Free nerve endings, many of which act as nociceptors, innervate the bones, ligaments, and muscles ...