Axon terminals with unusual vesicles in the brain of the polychaete, Ophryotrocha puerilis.
D000818:Animals; D001369:Axons / Q000648:ultrastructure*; D001921:Brain / Q000648:ultrastructure*; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D011077:Polychaeta / Q000648:ultrastructure*