neurons&neurotransmission

neurons&neurotransmission - Potential Cl-Neural...

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Neuron Doctrine Neurons are discreet cells and the basic structural and functional unit of the nervous system Genetically and metabolically distinct units Made of cell bodies, axons and dendrites Neural transmission goes from dendrites towards axons
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Functional Classification Afferent/Sensory Neurons Efferent/Motor Neurons Interneurons Local Relay
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Structural Classification
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Glia Astrocyctes Oligodentrocyctes Radial Glia Microglia
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Communication Within Neurons
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Diffusion Movement from a higher concentration to a lesser concentration Electrostatic Pressure Like charges repel Opposites attract
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Communication Between Neurons
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Postsynaptic Potentials Change in membrane potential caused by neurotransmission Binding sites Ligands
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Synapses Junction between terminal button and membrane of another neuron Axodendritic Axosomatic Axoaxonic
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Receptors Iontropic Metabotropic
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Ionotropic Receptors
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Metabotropic Receptors
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Unformatted text preview: Potential Cl-Neural Inhibition IS NOT Behavioral Inhibition Neural Integration excitatory vs inhibitory potentials control rate of neuronal firing Axoaxonic Synapses Presynaptic modulation of neurotransmission Presynaptic Inhibition Presynaptic Excitation Deactivation- Reuptake- Metabolism Steps of Neurotransmission Synthesis Storage Transport Release Activation/Binding Deactivation Tyrosine DA Tyrosine Hydroxylase L-DOPA Aromatic Amino Acid Decarboxylase DA MPT x carbidopa x DA reserpine x MPT = -methylparatyrosine L-DOPA = dihydroxyphenylalanine DA = dopamine 6-OHDA = 6-hydroxydopamine COMT = catechol-o-methyltransferase MAO = monamine oxidase HVA = homovanillic acid DOPAC = dihydroxy-phenylacetic acid DA Post-synaptic Receptor DA transporter Haloperidol x DA HVA COMT MAO Entacapone Paragline x x cocaine x 6-OHDA x DA MAO DOPAC Paragline x Autoreceptors...
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neurons&neurotransmission - Potential Cl-Neural...

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