PHYSIO

• Principal Sensory Modalities


  • Vision
  • Hearing
  • Smell
  • Taste
  • Rotational acceleration
  • Linear acceleration
  • Touch pressure
  • Warmth
  • Cold
  • Pain
  • Joint position and movement
  • Muscle length
  • Muscle tension
  • Arterial BP
  • Central venous pressure
  • Inflation of lungs
  • Temperature of blood in head
  • Arterial oxygen pressure
  • pH of CSF
  • Osmotic pressure of plasma
  • A/V blood glucose difference
• Receptor


  Sense organ
• Vision


  • Rods/Cones
  • Eye
• Hearing


  • Hair cells
  • Ear
• Smell


  • Olfactory neurons
  • Olfactory mucous membrane
• Taste


  • Taste receptor cells
  • Taste buds
• Rotational acceleration


  • Hair cells
  • Ear (semicircular canals)
• Linear acceleration


  • Hair cells
  • Ear (utricle and saccule)
• Touch pressure


  • Nerve endings
  • Various nerve endings
• Warmth


  • Nerve endings
  • Various
• Cold


  • Nerve endings
  • Various
• Pain


  • Naked nerve endings
  • Various
• Joint position and movement

  • Nerve ending
  • Various
• Muscle length


  • Nerve ending
  • Muscle spindle
• Muscle tension


  • Nerve ending
  • Golgi tendon organ
• Arterial BP


  • Nerve ending
  • Stretch receptors in carotid sinus and aortic arch
• Central venous pressure


  • Nerve endings
  • Stretch receptors in the wall of great veins and atria
• Inflation of lungs


  • Nerve endings
  • Stretch receptors in lung parenchyma
• Temperature of blood in head

  • Neurons
  • Hypothalamus
• Arterial oxygen pressure


  • Nerve endings
  • Carotid and aortic bodies
• pH of CSF


  • Receptors
  • Ventral surface of medulla oblongata
• Osmotic pressure of plasma

  • Cells
  • Anterior hypothalamus
• A/V blood glucose difference

  • Cells
  • Hypothalamus