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Differences in the whole-brain distributions of 5-HT-positive neurons and fibres. (A–J) Representative coronal sections of the whole brains of mice in the Sham (left) and OVX (right) groups showing 5-HT-positive neurons and fibres. Each section has a thickness of 50 μm. Scale bar, 1 mm and 25 μm. En, endopiriform nucleus; GrO, granule cell layer of the olfactory bulb; MVe, medial vestibular nucleus; sp5, spinal trigeminal tract.
