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Summary Neurons & Synapses

Course
- Neurons & Synapses
- T. Celikel
- 2021 - 2022
- Radboud Universiteit Nijmegen
- Biologie
251 Flashcards & Notes
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A snapshot of the summary - Neurons & Synapses

  • L1 Types and classification of neurons in the NS

  • 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.
    System
  • Are spines dendritic or axons extensions?
    Dendritic
  • In a typical neuron the largest density of synapses are made onto the ..........Axon/stoma or dendrite?
    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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