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. Author manuscript; available in PMC: 2021 Feb 19.
Published in final edited form as: J Rheumatol. 2000 Mar;27(3):739–745.

Figure 2.

Figure 2.

Neurogenic inflammation. A. These EAA are neurotransmitters in the nervous system. B. Neurotransmitters and neuropeptides are contained in afferent and efferent nerve fibers in the joint. C. In the pathological state, EAA are released in excess into the joint fluid and locally incite inflammation and pain. Asp: aspartic acid, Glu: glutamic acid.