Histological image courtesy of Robertas Guzulaitis.
Our paper is now out in eLife with an insight article by Mark Humphries. The story is featured on the eLife frontpage with cover illustration. Cover illustration shows a motoneuron loaded with biocytin (Cyan color. Nissl and ChAT stainings in magenta and yellow respectively). Histology image courtesy of Robertas Guzulaitis.