Behavioural Analysis of Nematode Movement

摘要: Publisher Summary This chapter presents the behavioral physiology of nematode level organization. Nematodes are generally considered to be a phylum or class Aschelminthes. Their exact status is debatable, but nematodes at more complex organization than coelenterates and platyhelminths simpler coelomate groups: annelids, molluscs, arthropods. The neuromuscular basically bilaterally symmetrical, amphids, photoreceptors, phasmids, deirids, hemizonids arranged perpendicularly dorsoventral direction muscular contraction. discusses nature locomotory activity reviews relative contributions exogenous endogenous components in integrated activities nematodes. main events investigated with respect locomotion hatching, moulting, feeding, mechanisms orientation. Many species phytoparasitic observed mechanism feeding discussed. Feeding phytoparasites usually consists active movement prior contact, contact head plant, reduced movement, waving spasmodic stylet thrusting, cessation bodily waves, deliberate thrusting adoption body posture, rapid bulb pulsation ingestion, end away. Nematodes, as other organisms, may disperse three ways: by drifting currents water air, being carried on moving objects, swimming creeping thus, dispersing their own efforts.