a slight trendgold
quadriceps ) showed only a slight trend towards denervation at the higher age compared to the earlier time point ( Fig. 2E and F ), while a significant increase in partially or fully denervated motor endplates was found in distal muscles ( m. lumbricalis ) in old mice compared to young animals ( Fig. 2G and H ) consistent with age-related NMJ defects observed by a previous study ( Valdez et al. , 2012 ).