Neuromuscular junction from a Drosophila larva showing a nerve synapse atttached to a muscle fibre. The transmission of signals in shown via synaptic vesicles containing neurotransmitter substance (shown in red). These vesicles are in close accosiation with the microtubule-based synaptic core cytoskeleton o the nerve, which is shown in green.
Hermann Aberle, University of Munster
