Fig. 10. Micrographs of immunoreactive fibres and varicosity-like structures, which were revealed with anti-Glu (glutamate) antibody in the valve of the anterior median artery (AMA). The location of micrographs A and B is indicated in the schematic drawing. Scale bar, 10 µm. VE, valve excitatory nerve; rALA, right anterior lateral artery; lALA, left anterior lateral artery.