The neurobiology of feeding in leeches.
How does a simple nervous system control a behavior? In the bloodsucking medicinal leech a single neurotransmitter, serotonin, has been found to orchestrate the animal's search for a target, the movements of its jaws, the filling of its crop and even the distension of its body that eventually tells the leech enough is enough.
D000818:Animals; D005247:Feeding Behavior / Q000502:physiology*; D007865:Leeches / Q000033:anatomy & histology / Q000502:physiology*; D009420:Nervous System / Q000166:cytology; D009424:Nervous System Physiological Phenomena; D009474:Neurons / Q000502:physiology; D012701:Serotonin / Q000502:physiology
D012701:Serotonin