Nervous sytem

• What does the sagittal plane create.

  Left and Right.
• What does the coronal plane create.

  Ventral and dorsal.
• What is the equivalent for ventral.

  Anterior
• What is the equivalent for dorsal.

  posterior.
• What does the transverse plane create.

  Superior and inferior.
• Which is closer to the midline: Medial, or lateral.

  Medial.
• Components of CNS.

  • Brain
  • Spinal cord
• Component of PNS. 


  Nerves.
• 3 main functions of NS.

  • Sensory
  • Motor
  • Integrative
• 3 main sections of the brain.

  • Cererbrum
  • cerebellum
  • brain stem
• 2 components of cerebrum.

  • Subcortical regions
  • cerebral cortex
• Role of cerebellum

  • Balance
  • Coordination
• Main role of the brain stem

  Involuntary processes.
• 3 components of brain stem.

  • Pons
  • Medulla oblongata
  • mid brain
• What connects the two brain hemispheres.

  Corpus callosum.
• What is the role of the frontal lobe. 


  Higher congnitive functions.
• Role of parietal lobe.

  • Motor
  • Sensory
• Role of temporal lobe.

  • Speech
  • Hearing
  • Emotion
  • Object recognition
• Role of optical lobe.

  Processing primary visual information.
• What are the main roles of the subocortical regions.

  • Memory
  • Emotions
  • Motor
  • Sensory
• Name the 5 division of the spinal cord.

  1. Cervical
  2. Thoracic
  3. Lumbar
  4. Sacral
  5. Coccygeal
• Voltunray PNS. 


  Somatic
• Involuntary PNS. 


  Autonomic.
• What are the 3 divisions of the Autonomic NS.

  • Enteric
  • Sympahtetic
  • Parasympathetic
• Role of enteric NS. 


  Water and solute movement.
• Name the sympathetic NS pathway. 


  Fight or Flight.
• Name the parasympathetic NS pathway. 


  Rest and Digest.
• Describe a reflex arc.

  1. Sensory afferents signal to spinal cord
  2. Interneurons
  3. Efferents signal to muscles
• Name the 3 glial cells in the CNS.

  1. Microglial
  2. Astryocytes
  3. Oligodendrocytes
• what is the main role of glial cells.

  Support.
• Which part of the neurone recieves inputs. 


  Dendrites.
• What is the role of microglial cells. 


  Immune cells.
• What type of neurones are Sensory.

  Unipolar.
• What is the role of astrocytes. 


  Development and homeostatic maintenance of Nervous sytem and blood vessels.
• What do astrocytes form after severe injury. 


  Glial scar.
• What is gliosis. 


  Activation of glial cells.
• What do oligodendrocytes form. 


  Myelin sheath in CNS.
• What makes up the myelin sheath in the PNS. 


  Schwann cells.
• What is the effect of myelination.

  Increased conduction.
• What is the node of ranvier.

  An unmyelinated area of a myelinated neuron.