Neuronal anatomy and communication

Neuronal anatomy and communication - Slide 1 Neuronal...

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Unformatted text preview: Slide 1 Neuronal Anatomy and Communication ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Slide 2 Cells of the Nervous System: Neurons • Three types of neurons: – Sensory neurons – Motor neurons – Interneurons ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Slide 3 Neuronal structure • Soma • Dendrites • Axon • Terminal buttons • Synaptic cleft ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Slide 4 Neuronal classifications • Bipolar neuron • Unipolar neuron • Multipolar neuron ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Slide 5 Internal structure • Cell membrane • Cytoplasm • Mitochondria • Nucleus – Chromosomes – Proteins • Microtubules ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Slide 6 Cells of the Nervous System: Glia • Glial cells support neural function – Nourishment – Protection – Insulation – Cleaning ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Slide 7 Glial Cells • Astrocytes – Arms wrap around blood vessels and neuronal structures – Isolate the synaptic cleft – Maintain chemical composition of extracellular space – Clean up following cell death ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Slide 8 Glial cells • Oligodendrocytes (CNS) & Schwann cells (PNS) – Provide support and insulation in the form of the myelin sheath • Myelin • Nodes of Ranvier ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________...
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Neuronal anatomy and communication - Slide 1 Neuronal...

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