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| Biologial catalysts, usually proteins, that determine which hemical reations take place in the body. |
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cell body what is its function? |
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| What is the function of a dendrite |
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| receives info from other cells |
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| What is the function of an axon? |
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| carries info away from cell to other cells |
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| Power House of the cell. Combines glucose and fatty acids with oxygen. Some energy is lost as heat and some gets trapped as ATP. |
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| synapse on smooth dendrite or dendritic spine |
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| synapse on soma (cell body) |
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| synapse on terminal button from another cell |
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Little spheres full of neurotransmitters that release their contents when they bind to the presynaptic membrane. |
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| disable the transporter so serotonin doesn't get taken back up by the presynaptic membrane |
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| integrates excitatory postsynaptic potentials and inhibitory postsynaptic potntials and decides whether an action potential will be generated. |
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| Three ways to turn off synaptic transmission |
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Definition
1)Destruction of the neurotransmitter in the synaptic cleft (by enzymes) 2) Reuptake of the neurotransmitter by the presynaptic neuron. 3) autorecptors on the presynaptic membrane inhibit further nuotransmitter release |
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chemicals that mimic the effects of a neurotransmitter ex: tamoxathin blocks estrogen so that breast cancer cells cant grow |
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| chemicals that block the effects of a nurotransmitter or hormone by bloking the binding site |
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