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Gustation or Taste

Gustation or Taste. Taste (PTC Paper). Diet regulation Last chance to detect a poison prior to ingestion. Teeth Help us to Digest and Break down Foods that we Eat in order To be able to Taste. Enzymes Also help us To break down Carbohydrates like starches and sugars. Teeth.

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Gustation or Taste

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  1. Gustation or Taste Anthony J Greene

  2. Taste (PTC Paper) • Diet regulation • Last chance to detect a poison prior to ingestion Anthony J Greene

  3. Teeth Help us to Digest and Break down Foods that we Eat in order To be able to Taste. Enzymes Also help us To break down Carbohydrates like starches and sugars Teeth Anthony J Greene

  4. Tongue • Muscle • Taste flavors in food: salty, sweet, bitter, sour, and umami (msg) • Helps to digest • Speech articulation • Communication • Cleans teeth • Full of nerves and blood vessels Anthony J Greene

  5. Structures on the tongue Papillae- nipple-like structures of the tongue • Circumvallate-flat mounds at back • Folliate-Folds at the sides • Filliform-cone shape all over and gives rough appearance • Fungiform-Mushroom shaped, tip and sides Anthony J Greene

  6. Anatomy of Tongue Circumvallates Folliate Filliform Fungiform Anthony J Greene

  7. Anatomy of Taste • Taste Receptor Cells or Taste Buds • Taste Buds occur on the soft palate and on some Papillae - Folliate, Circumvallate, Fungiform, • Filliform (have no taste buds) middle of the tongue is taste blind • About 10,000 taste buds Anthony J Greene

  8. Taste Anatomy Anthony J Greene

  9. Taste Anatomy Anthony J Greene

  10. Central Gustatory Pathway Taste buds - Solitary Tract to brain (part of the Medulla), Thalamus, and Frontal Lobe Cranial Nerves 7, 9, and 10 Anthony J Greene

  11. Taste and Nerves • Taste Neurons are determined by intensity and quality of the flavor • Taste depends on many factors like: • Internal hunger • Peripherial, smells, chewing, habits like desserts after meals • Culture • Genetics http://www.youtube.com/watch?v=palWegLPeSA saccharin or tasteless? Anthony J Greene

  12. Properties of Taste • Taste preferences for familiar food • Single trial learning - taste aversion • Self-Balancing diet http://www.youtube.com/watch?v=ZcJjMnHoIBI Anthony J Greene

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