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Figure 3 | The Journal of Headache and Pain

Figure 3

From: Expression of 5-HT3 receptors and TTX resistant sodium channels (NaV1.8) on muscle nerve fibers in pain-free humans and patients with chronic myofascial temporomandibular disorders

Figure 3

A comparison showing the different mean frequencies for antibody labelling on PGP 9.5 immunoreactive fibers (5-HT 3A ; both 5-HT 3A and Na V 1.8) in the masseter and tibialis tissues. There were no significant differences in the frequency of fibers that expressed 5-HT3A or both 5-HT3A and NaV1.8, when the two muscles were compared (P > .05, Students t-test). Each bar represents the average from all the sections obtained from each muscle type. The error bars depict standard error of the mean.

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The Journal of Headache and Pain

ISSN: 1129-2377

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