MRI : sMRI and DTI - Primer on anatomy

3 important questions on MRI : sMRI and DTI - Primer on anatomy

The brain is made of neurons. What do neurons consist of and what are its functions?

Neurons consist of:
  • Soma (cell body): contains genetic info, maintains structure of neuron, provides energy for signal transmission, are surrounded by dendrites interconnecting the neurons
  • Axon: transmits output of cell & is surrounded by fatty myelin, white matter, and cerebrospinal fluid

The scan can be oriented in different types of orientations. Name them:

  • Left vs right
  • superior vs inferior
  • dorsal vs ventral
  • anterior vs posterior
  • rostral vs caudal

The scan can be oriented in different types of plans/views. Name them:

  • Axial vs transverse
  • sagittal vs coronal

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