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taste bud

  • Also called gustatory calculi.
  • There are about 10,000 taste buds.
  • 80μm high & 40μm thick.
  • They are present on epiglottis, soft palate, pharynx and walls of papillae of tongue.
  • Numerous taste buds are found on lateral wall of vallate papillae , in folds of foliate papillae ,on posterior surface of epiglottis.
  • Some are found on fungiform  papillae at the tip and lateral border of tongue.

 

  • In front of dividing V- shape teminal sulcus row of vallate  papillae are present.
  • 8 – 12 in number.
  • Each of them contains upto 100 taste buds.
  • They are large and bounded by deep circular furrow .
  • Lateral wall of these papillae contains numerous taste buds.
  • Ducts of small serous glands von Ebner’s gland open into trough of circumvallate papillae.

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