... Gastrointestinal Migrating motor complexes Ripples Peristalsis Propagating Standing contractions Fasting Fed Spatio-temporal maps TTX Fish Teleost Maintenance and operation of the gastrointestinal tract are essential for all animals to store, process and assimilate food, as well as providing...

...Ryan P. Ferrer; Richard K. Zimmer SUMMARY Animal perception of chemosensory cues is a function of ecological context. Larvae of the California newt ( Taricha torosa ), for example, exhibit predator-avoidance behavior in response to a chemical from cannibalistic adults. The poison tetrodotoxin (TTX...

... case and inhibits (larval) cannibal-avoidance in the other. When exposed to an arginine plume in freshwater streams, adult newts increase locomotion with respect to flow direction (rheotaxis) and odor input source. By contrast,arginine suppresses the stimulatory effects of tetrodotoxin (TTX) on larval...