title: FMRFamide immunoreactivity is generally occurring in the nervous systems of coelenterates.
abstract: Abundant FMRFamide immunoreactivity has been found in the nervous systems of all hydrozoan, anthozoan, scyphozoan and ctenophoran species that were looked upon. This general and abundant occurrence shows that FMRFamide-like material must play a crucial role in the functioning of primitive nervous systems.
mesh_terms: D000818:Animals; D003063:Cnidaria / Q000032:analysis* / Q000166:cytology; D019835:FMRFamide; D006829:Hydra / Q000032:analysis* / Q000166:cytology; D009420:Nervous System / Q000032:analysis; D009474:Neurons / Q000032:analysis; D009842:Oligopeptides / Q000032:analysis*
chemical_list: D009842:Oligopeptides; D019835:FMRFamide