Distribution of FMRF-amide and 5HT in the anterior region of the nervous system of a dalyelliid flatworm Castrella truncata (Plathelminthes, Rhabdocoela). Dorsal view. Annotated Image

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Authors: O.I. Raikova, E.A. Kotikova

Color Channels:

Red — FMRFamide
Green — serotonin

Notation:

dc - dorsal nerve cord;
e - eye;
es - elliptical structure in the neuropile of the brain;
lc - lateral nerve cord;
n - neurons;
np - neuropile;
prc - prepharyngeal commissure.