title: The effect of optic tentacle removal on the transmitter content of the giant serotonin cell of helix aspersa.
mesh_terms: D000818:Animals; D001921:Brain / Q000033:anatomy & histology / Q000502:physiology; D004594:Electrophysiology; D005724:Ganglia / Q000033:anatomy & histology / Q000502:physiology; D006321:Heart / Q000502:physiology; D008856:Microscopy, Fluorescence; D009474:Neurons / Q000502:physiology*; D012701:Serotonin / Q000494:pharmacology / Q000502:physiology*; D012908:Snails / Q000502:physiology*
chemical_list: D012701:Serotonin