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Nervous Tissue: The Neuron definitions Flashcards

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Nervous Tissue: The Neuron definitions
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  • Neuron

    Primary cell of nervous tissue, responsible for generating and conducting electrical impulses.
  • Dendrites

    Extensions of a neuron that receive incoming electrical signals and lead them into the cell body.
  • Cell Body

    Part of a neuron containing the nucleus and most organelles, also known as the soma.
  • Soma

    Another term for the cell body of a neuron, housing the nucleus and organelles.
  • Axon

    Long, thin portion of a neuron that conducts outgoing electrical signals, can be several feet long.
  • Nucleus

    Organelle within the cell body of a neuron, containing genetic material.
  • Organelles

    Structures within the cell body of a neuron, performing various functions necessary for cell survival.
  • Electrical Impulse

    Signal generated and conducted by neurons, traveling from dendrites through the cell body to the axon.
  • Nervous Tissue

    Tissue type primarily composed of neurons, responsible for transmitting electrical signals.
  • Signal Direction

    Path of an electrical impulse in a neuron, starting at dendrites, through the cell body, and down the axon.