title: Neurosecretion in the ventral nerve cord of Hydrophilus olivaceus Fabr. (Coleoptera-Insecta).
mesh_terms: D000818:Animals; D001517:Coleoptera / Q000502:physiology*; D005260:Female; D005724:Ganglia / Q000033:anatomy & histology / Q000166:cytology / Q000502:physiology*; D008297:Male; D009417:Nerve Tissue / Q000502:physiology*; D009441:Neurilemma; D009457:Neuroglia / Q000502:physiology; D009489:Neurosecretion; D009490:Neurosecretory Systems / Q000166:cytology*; D013194:Staining and Labeling