Neurochemistry Psychology 0.0 / 5 ? PsychologyneurochemUniversityNone Created by: lw121xCreated on: 09-12-15 18:58 Within neurones there is a..... across membranes electrical flow 1 of 28 Within a synapse there is a..... flow chemical 2 of 28 What did Loewi find out? if chemicals from one heart put into another heart beats slower 3 of 28 Presynapic cell constantly makes vessels which... wait in an axon until relaesed 4 of 28 Pre Vs Post synaptic is a relatve label 5 of 28 Presynaptic cell bind to receptor cite 6 of 28 Presynaptic cell can inhibit or excite a receptor 7 of 28 Causes of AP in a neurone: changes in the chemical calcium causes ventricles to come down neurotransmitters and merge with post synaptic membranes 8 of 28 Lock and key can only happen in post synaptic cell 9 of 28 Once beurotransmitters has change in ion channel open or closes it 10 of 28 if an ion channel is already negative and is inhibited further depolarizes the cell 11 of 28 a lot of neurones all firing at the same time is temporal summation 12 of 28 Just one summation is not enough to causes AP 13 of 28 Spatial summation a+b+c across neurones at different points 14 of 28 If a cell is positive enough to acceed inhibition still positive 15 of 28 Direct bind other protein changes cell effect ion channel 16 of 28 Indirect directly ion channel, changes ahoe channel, pos neg 17 of 28 transcient effect means only effect a short amount of time in a synapse 18 of 28 there are..... to empty a synapse active 19 of 28 AGONISTS enhance neurotans effect 20 of 28 ANTAGONISTS no neurotrans effect 21 of 28 drugs can work by mimicking function 22 of 28 drugs can effect the synthesis in a cell- how long they are there 23 of 28 GABA normally binds pos and neg chloride ions 24 of 28 Alchol makes GABA open longer = further inhibition 25 of 28 less inhibition of post synaptic dop neurones, more dop relaese, extra reward (cannabis) 26 of 28 in cannabis more release of dopaminergeric neurones 27 of 28 blood brain barrier 28 of 28
Comments
No comments have yet been made