Otolaryngology Book

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Taste Sensation

Aka: Taste Sensation, Sense of Taste, Gustatory Sensation
  1. See Also
    1. Taste Dysfunction
    2. Olfactory Dysfunction
  2. Physiology
    1. Tongue differentiates only bitter, salt, sour, sweet
      1. Taste-related substances dissolve in Saliva
      2. Taste Buds (on Tongue, Soft Palate, Larynx, epiglottis)
    2. Olfactory Sensation is primary trigger for Taste Sensation
  3. Anatomy: Taste Innervation
    1. Tongue Innervation (parasympathetic fibers)
      1. Anterior two thirds of Tongue: Lingual nerve (Chorda Tympani branch of Facial Nerve or Cranial Nerve 7)
      2. Posterior one third of Tongue: Glossopharyngeal Nerve
    2. Palate
      1. Greater superficial petrosal nerve
    3. Pharynx and Larynx
      1. Vagus Nerve
    4. Adjunctive sensation of Temperature, stinging and sharpness
      1. Trigeminal Nerve

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