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Hematoxylin-eosin-stained transverse section of the vomeronasal organ (VNO, framed); left is lateral, up is dorsal. The asterisk indicates the lumen of the vomeronasal duct; (1) nerves; (2) vessels; and (3) a gland. The VNO is partially surrounded by connective tissue (4) and cartilage (white arrow). Scale bar: 500 μm (see Figure S6).
