Fig. 1.

Classification of NMJs. a–b fully innervated, c–d fully denervated, e–f partly innervated with AChR not covered by the nerve terminals identified by yellow arrow. a, c, e YFP in motor axons (green), AChRs labelled with Alexa-594-α-bungorotoxin (red). b, d, f Merged image from a, c, e. Scale bar 10 μm