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Learn about neurotransmitters and their receptors in the human nervous system with Khan Academy.
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This article provides an overview of neuron structure and function in the human nervous system.
The synapse (article) | Human biology | Khan Academy
Anatomy of a neuron. Overview of neuron structure and function. The membrane potential. Electrotonic and action potentials. Saltatory conduction in neurons. Neuronal synapses (chemical) The synapse. Neurotransmitters and receptors. Q & A: Neuron depolarization, hyperpolarization, and action potentials.
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If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
Lesson 4: Neuronal synapses - Khan Academy
Lesson 4: Neuronal synapses. Neuronal synapses questions. Mini MCAT passage: Neurotransmitter removal from the synapse. Mini MCAT passage: Manipulating synaptic transmission between neurons. Signal propagation: The movement of signals between neurons. Synapse structure.
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The dendrites and cell body or soma have chemically-gated channels. This means that when their receptors bind to the neurotransmitter (the chemical) those channels open letting Na ions in, changing the inside environment to be closer to threshold or depolarizing the soma.
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Explore the structure of neurons, their types, and functions. Uncover the roles of dendrites, axons, and the soma. Learn about the axon hillock, axon terminals, and the myelin sheath. Discover the different structural types of neurons: unipolar, bipolar, multipolar, and pseudounipolar. By …
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This video explains neuron graded potentials, detailing how they are created and why they decay over time and distance. It highlights the role of neurotransmitter receptors and ion channels in generating excitatory and inhibitory potentials, providing a clear understanding of neuron function.
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