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Fig. 1 | BMC Neuroscience

Fig. 1

From: Altered activity in the nucleus raphe magnus underlies cortical hyperexcitability and facilitates trigeminal nociception in a rat model of medication overuse headache

Fig. 1

(The schematic is adapted from a Figure by (in Ref. [25]))

Schematic of a coronal brainstem section of a rat showing the sites of microinjection into the nucleus raphe magnus. Open circles represent microinjection sites of saline in the saline-treated vehicle-control rats; solid circles represent sites of saline microinjection in the chronic acetaminophen-treated rats; open squares represent sites of muscimol microinjection in the saline-treated vehicle-control rats; and solid squares represent sites of muscimol microinjection in the chronic acetaminophen-treated rats

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