Figure 1From: Dendritic retraction, but not atrophy, is consistent in amyotrophic lateral sclerosis-comparison between Onuf’s neurons and other sacral motor neurons- The Onuf's nucleus (ON) not readily identifiable on immunofluorostained section (a) but clearly identifiable on the Klüver-Barrera (KB)-stained counterpart (b, arrowheads). Bars = 500 μm.Back to article page