The diversity of secretory neurones in the brain of nereis.
D000818:Animals; D000845:Annelida / Q000166:cytology*; D001921:Brain / Q000166:cytology*; D003594:Cytoplasmic Granules; D006652:Histological Techniques; D008854:Microscopy, Electron; D009474:Neurons / Q000166:cytology*; D009489:Neurosecretion