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Location of anatomical landmarks. a Positions of the 27 section planes along the rostrocaudal axis. b Images of Nissl-stained canonical sections with landmarks indicated. c Distribution of landmarks in 43 different brains. Abbreviations: AC anterior commissure, HI hippocampus, MN mammillary nucleus, PC posterior commissure, PN pontine nucleus, PVH paraventricular nucleus of the hypothalamus, SCN suprachiasmatic nucleus
