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Summary: Neurons & Synapses

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Read the summary and the most important questions on Neurons & Synapses

  • L1 Types and classification of neurons in the NS

    This is a preview. There are 16 more flashcards available for chapter 06/04/2021
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  • Which stain is used to distinguish the grey and white matter in the brain? And what does is stain?

    Nissl stain
    Stains neuron cell bodies/soma
  • Why is it difficult to classify neurons in the NS ?

    You need to define a parameter space in order to do the classification. The definition of the parameters space is subjective.
  • How does an axon make contact

    The boutons/synaptic terminals of axons make contact the dendrites of postynaptic neurons.
  • ............. is formed by neuronal structures that are distributed across different regions of the brain but work together to perform a given function.

  • Are spines dendritic or axons extensions?

  • In a typical neuron the largest density of synapses are made onto the ..........Axon/stoma or dendrite?

  • Who originally visualised and described the Axo-dendritic projections ?

    Ramon y Cajal
  • How do Inhibitory neurons work?

    They secrete neurotransmitters that cause membrane hyperpolarization in postsynaptic neurons.
  • What does Dale's law (1934) state?

    A neuron is either excitatory or inhibitory in its influence on other neurons

    A neuron secretes a single (traditional) neurotransmitter at its synapses
  • Name a few modern techniques allow detailed anatomical characterisation of neurons.

    For example,
    Molecular labeling in whole brain provide biochemical insight to neuronal diversity. 

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