%0 Journal Article
%T DistributionofserotoninandFMRF-amideinthebrainofLymnaeastagnaliswithrespecttothevisualsystem
%J 动物学研究
%P 1-12
%D 2012
%R 10.3724/SP.J.1141.2012.01-02e1
%X Despiteserotonin’sandFMRF-amide’swidedistributioninthenervoussystemofinvertebratesandtheirimportanceasneurotransmitters,theexactrolestheyplayinneuronalnetworksleavesmanyquestions.WemappedthepresenceofserotoninandFMRF-amide-immunoreactivityinthecentralnervoussystemandeyesofthepondsnailLymnaeastagnalisandinterpretedtheresultsinconnectionwithourearlierfindingsonthecentralprojectionsofdifferentperipheralnerves.SincethechemicalnatureoftheintercellularconnectionsintheretinaofL.stagnalisisstilllargelyunknown,wepaidspecialattentiontoclarifyingtheroleofserotoninandFMRF-amideinthevisualsystemofthissnailandcomparedourfindingswiththosereportedfromotherspecies.Atleastoneserotonin-andoneFMRF-amidergicfibrewerelabeledineachopticnerve,andsincenocellbodiesintheeyeshowedimmunoreactivitytotheseneurotransmitters,webelievethatefferentfibreswithsomatalocatedinthecentralgangliabranchatthebaseoftheeyeandprobablyrelease5HTandFMRF-amideasneuro-hormones.Doublelabellingrevealedretrogradetransportofneurobiotinthroughtheopticnerve,allowingustoconcludethatthecentralpathwaysandserotonin-andFMRF-amide-immunoreactivecellsandfibreshavedifferentlocationsintheCNSinL.stagnalis.Thechemicalnatureofthefibres,whichconnectthetwoeyesinL.stagnalis,isneitherserotoninergicnorFMRF-amidergic.
%K Gastropoda
%K Nervoussystem
%K Retina
%K Visualprojections
%K Retrogradetransport
%K Immunocytochemistry
%K Neurotransmitters
%U http://www.zoores.ac.cn/CN/abstract/abstract3183.shtml