Ascending and Descending Tracts

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  • The tracts transmit impulses from the spinal cord to the brain and back.
  • The ascending tracts (Fig.1a) carry impulses  from the spinal cord to the brain.
  • The descending tracts carry impulses from the brain to the spinal cord.
  • Some tracts decussate others do not.
  • .They synapse with other neurons on their way.

Description

(LEARNER OUTCOMES)

  • To describe the tracts.
  • To classify the tracts
  • To identify their positions in the spinal cord.
  • To recognize where a tract begins and ends.
  • To recognize the impulses a tract transmits.
  • To recognize order of their neurons.
  • To recognize antigravity muscles.
  • To differentiate an upper motor neuron from a lower motor neuron lesion.
  • To identify the tracts that cross and those that run on the same side.
  • To differentiate proprioception .exteroception, conscious and unconscious ascending tracts
  • To recognise that the distal fibers are always medial in the tract.
  • To recognise a reflex arc.
  • To recognize paraplegia, hemiplegia, poliomyelitis, Gualain Barre syndrome and Braun Sequad syndrome.

1 review for Ascending and Descending Tracts

  1. Admin

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