title: [A serotonin-like substance in the embryogenesis of certain gastropodal molluscs].
mesh_terms: D000818:Animals; D047108:Embryonic Development; D008974:Mollusca; D012701:Serotonin / Q000031:analogs & derivatives
chemical_list: D012701:Serotonin
keywords: MOLLUSCA; SEROTONIN/related compounds