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Memories May Not Live in Neurons’ Synapses | The finding could mean recollections are more enduring than expected and disrupt plans for PTSD treatments [Neuroscience: Neuroscience Books:]

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College Age Addictions

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FREE Toxicology Course on Neurotoxicity, Anatomy and Physiology of the Nervous System, Cells of the Nervous System

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How Neurons Work Poster/Graphic - Illustrates the structure and function of a neuron, including how it transmits electrical and chemical signals.

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Morphology of a chemical synapse. (A) The presynaptic terminal and postsynaptic neuron are separated by a fluid-filled synaptic cleft. Note that the presynaptic terminal contains synaptic vesicles, which contain neurotransmitter and active zones. Receptors for the transmitter are located on the postsynaptic membrane. Different types of central nervous system synapses include (B) axodendritic synapse, (C) axosomatic synapse, and (D) axoaxonic synapse. (E) In a symmetrical synapse, the…

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Neurotransmitters are chemical messengers secreted by neurons that activate an adjacent cell. Neurotransmitters are secreted into a synaptic cleft, rather than into the bloodstream.

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Beautiful synapse: When a nerve impulse reaches the synapse at the end of a neuron, it cannot pass directly to the next one. Instead, it triggers the neuron to release a chemical neurotransmitter. The neurotransmitter drifts across the gap between the two neurons. On reaching the other side, it fits into a tailor-made receptor on the surface of the target neuron, like a key in a lock. This docking process converts the chemical signal back into an electrical nerve impulse.

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