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    Neurons Explained

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    (a) Describe the composition and function of the cell body.
    (b) How are axons and dendrites alike? In what ways (structurally and functionally) do they differ?

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    Cell Body

    Most neurons have three parts, the cell body, the dendrites, and the axon. The cell body contains the nucleus. The nucleus is surrounded by cytoplasm that includes all of the typical mammalian organelles. Cell bodies also contain clumps of yellowish brown granules of lipofuscin. This is a pigment that collects with age as the end-product of lysosome activity. Additionally, the RER is organized into a orderly arrangement known as the chromatophilic substance. ...

    Solution Summary

    Neurons and their parts are discussed in funtion and structure.