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A: Low magnification Nissl-stained transverse section through the posterior amygdala showing the locations of nuclei at this level. B: Pattern of distribution of 5-HT fibers to nuclei of the amygdala at the same level. Note the dense labeling of nuclei of the basolateral complex (La, BMA, BLA), particularly BLA, and the light labeling of the medial nucleus. See list for abbreviations. Scale bar for A = 670 μm; for B = 500 μm.
