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PSY396H1 (20)
Ljubojevic (19)
Lecture 4

PSY396H1S Lecture 4 Jan 30

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Department
Psychology
Course
PSY396H1
Professor
Ljubojevic
Semester
Winter

Description
PSY396H1SL4Jan302014NeurotransmittersFreeexchangeofchemicalacrossEpendymaofISFCSFoFreelycommunicate7MainPartsoftheCNSBloodISFBarrierSpinalCordBloodvesselsinthebrainaredifferentfromthoseintherestofMedullaoblongatathebodyPonsCerebellumCapillariesinmosttissuesMidbrainmesencephalonarefenestratedporousDiencephalonoExceptionporousinCerebrumthechoroidplexusBloodBrainBarrierSmallgapsallownutrientflowSemipermeableintotissuesoSelectiveProtectsbrainfromforeignsubstancesinbloodochemicalbalanceCantpasseasilyoLargemoleculesCapillarieswithinthebrainoMoleculesthatarenotlipidsolubledonotpenetratearetypicallyofthecontinuousintobraintypeoMoleculeswhighelectricalchargeslowedRmbrtheexptwhere1drugcouldcrosstheBBB1couldntbutbothcouldaffectcholinergicrecsBBBisformedbycontrollingthepassageofchemicalsat2difpts1BloodbraininterstitialfluidISFflowsinextracellularspace2BloodcerebrospinalfluidCSFISFandCSFexchangechemicalcontentfreelyandthereforetheyhavesimilarchemicalcomposition
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