<i>Procephalothrix filiformis</i>, confocal laserscanning (cLSM) micrographs of differently immunostained whole mounts of.

<p><b>a</b>: Anti-FMRF, z-coded stack. The major lateral medullary cords (<i>mc</i>), some minor lateral nerves (<i>mln</i>) as well as a ventral nerve (<i>vn</i>) are visible. <i>pn</i>: proboscis nerves. <b>b</b>: Anti-FMRF. The neurites (<i>ne</i>) of the intraepidermal plexus are arranged in a ladder-like way. <b>c</b>: Anti-FMRF. On the very tip of the head is a cluster of cells showing immunoreactivity against FMRF (<i>arrow</i>).