Digestive system - tongue, Biology

TONGUE -

1501_tongue structure.png

On the tongue 4 types of papillae are present.

(i) Filliform -

  1. Filliform papillae are most abundant and have no taste bunds.
  2. Filliform papillae are present in the centre and on the sides of tongue.
  3. Taste buds are absent.

(ii) Fungiform -

  1. Fungiform papillae appear as red dots on tongue and con- tain taste buds.
  2. Fungiform papillae are present on the tip of tongue.

(iii) Folliate -

  1. Folliate papillae are situated on sides of the base of tongue.
  2. Folliate papillae are absent in man.
  3. In rabbit folliate papillae bear tastes buds.

(iv) Circumvallate -

  1. Circumvallate papillae are largest in size and knob like. These papillae also contain taste buds.
  2. Circumvallate papillae are present on back side of the tongue.
Posted Date: 10/1/2012 7:08:59 AM | Location : United States







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