Neuroanatomical distribution of Nos1 transcripts in the mouse brain. Nos1‐expessing cells appear as dark dots; the brain slices have been counterstained with Nissl (pink labelling). Images have been captured from the Allen Brain atlas (https://mouse.brain‐map.org/gene/show/17892). ac, anterior commissure; AcSh, accumbens nucleus, shell region; AOB, accessory olfactory bulb; aq, aqueduct; ARH, arcuate nucleus of the hypothalamus; AVPV, anteroventral periventricular nucleus; CA1, field CA1 of the hippocampus; CA2, field CA2 of the hippoampus; CAT, nucleus of the central acoustic tract; Cb, cerebellar vermis; cc, corpus callosum; CPu, caudate putamen (striatum); DG, dentate gyrus; DMH, dorsomedial nucleus of the hypothalamus; DTT, dorsal tenia tract; EPI, external plexiform layer of the olfactory bulb; fr, fasciculus retroflexus; FrA, frontal association cortex; ic, internal capsule; IC, inferior colliculus; IP, interpeduncular nucleus; LHA, lateral area of the hypothalamus; LL, lateral lemniscus; LPLC, lateral posterior nucleus of the thalamus; lv, lateral ventricle; M1, primary motor cortex; MCPC, magnocellular nucleus of the posterior commissure; MeA, medial amygdala; MePO, median preoptic nucleus; MHb, medial habenular nucleus; MS, medial septal nucleus; mt, mammillary tract; ns, nigrostriatal bundle; OB, olfactory bulb; oc, optic chiasm; OVLT, organum vasculosum lamina terminalis; PAG, periaquesuctal grey; PBP, parabrachial pigmented nucleus; Pir, piriform cortex; PMnR, paramedial raphe nucleus; PMV, perimamillary nucleus; PPN, pediculopontine nucleus; PV, paraventricular nucleus of the thalamus; PVH, paraventriculat nucleus of the hypothalamus; RLi, rostral linear nucleus; RM, retromamillary nucleus; RtTG, reticulotegmental nucleus of the pons; Sch, suprachiasmatic nucleus; SFO, subfornical organ; SNc, substantia nigra pars compacta; SO, supraoptic nucleus; STh, subthalamic nucleus; SuG, superficial grey layer; TN, tegmental nucleus; VBD, nucleus of the ventricular limb of the diagonal band; Vhc, ventral hippocampal commissure; VTA, ventral tegmental area. Scale bar, 1 mm