A blood-borne factor from food-satiated Aplysia, suppresses the gill withdrawal reflex in in vitro preparations from unsatiated animals.
There is a factor in the blood of a food-satiated Aplysia which brings about suppression of the gill withdrawal reflex (GWR) and the concomitant neuronal activity evoked by tactile stimulation of the siphon in an in vitro preparation taken from a non-food-satiated Aplysia. Blood from control non-food-satiated animals has little or no effect on the GWR while blood from facilitated-state animals tends to facilitate the GWR. The identity of the factors has not yet been determined.
D000818:Animals; D001048:Aplysia; D001769:Blood; D005880:Gills / Q000502:physiology*; D009474:Neurons / Q000502:physiology; D010812:Physical Stimulation; D012018:Reflex / Q000187:drug effects*; D012527:Satiation / Q000502:physiology*