BrainInfusionKits-Manyagentsdonotcrosstheblood-brainbarriersufficientlytoevaluatetheireffectsonthebrainwithoutadmiNISTrationdirectlyintothebrain.Cerebralinjectionisonelocaldeliverymethod,butitcanbechallengingtodeliveraneffectivedoseinaphysiologically-compatIBLevolume.Inaddition,theagentmaynotremaininthetargetlocationlongenoughtoseeaneffect.Formanycompounds,localinfusiondirectlyintothebrainistheonlywaytogeneratereliabledata.DURECTnowoffersthreeALZETBrainInfusionKitsinseverallengthsandgauges.AllKitsaredesignedspecificallyforusewithALZETpumpsfortargeteddeliverytothecentralnervoussystem.Theycanbeusedintwoways:1.Infusionintothecerebralventriclesexposesawidevarietyofbrainregionstotheinfusateviathecerebrospinalfluidwhichbathesthebrain.2.Directmicroperfusionofdiscretebrainstructuresresultsinlocalizeddistributionofinfusateinthetargettissue.EachALZETBrainInfusionKitincludesmaterialsfor10braininfusions,including:10BrainInfusionCannulae10VinylCatheterTubes40Depth-AdjustmentSpacers1InstructionSheet Braintree避难所小屋II 一个舒适，安静的地方休息，或爬上去探索。切碎的材料（只是为了娱乐或筑巢），通常需要7至30天。直径4英寸x高2英寸，带有3个大窗户和更宽的门，可提供更安全的出入口。较大的孔还使工作人员可以轻松地将垃圾放在庇护所内，以观察它们。