Neurohaemal organs in insects.
D000818:Animals; D001369:Axons; D002462:Cell Membrane; D002490:Central Nervous System / Q000033:anatomy & histology; D005089:Exocytosis; D005724:Ganglia / Q000033:anatomy & histology; D006321:Heart / Q000294:innervation; D007313:Insecta / Q000033:anatomy & histology* / Q000502:physiology; D009489:Neurosecretion; D009490:Neurosecretory Systems / Q000201:enzymology / Q000294:innervation / Q000502:physiology / Q000648:ultrastructure