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Special Senses

Special Senses. Gustatory Sense. Taste & Smell. Gustatory Senses. The Tongue …. Gustatory Sense. Video Clip. Muscular Organ specialized for taste 4 basic sensations: Sweet Salty Sour Bitter Umami -> beefy/meaty taste. Gustatory Sense. Video Clip. Lingual Papillae

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Special Senses

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  1. Special Senses Gustatory Sense

  2. Taste & Smell Gustatory Senses The Tongue …

  3. Gustatory Sense Video Clip • Muscular Organ specialized for taste • 4 basic sensations: • Sweet • Salty • Sour • Bitter • Umami -> beefy/meaty taste

  4. Gustatory Sense Video Clip • Lingual Papillae • Epithelial projections on surface of tongue • 3 kinds: • Filiform • Fungiform • Circumvallate

  5. Gustatory Form Lingual Papillae • Filiform • Provide friction to move objects • No taste buds! • Fungiform • Contains about 5 taste buds • Circumvallate • Contain up to 100 taste buds • Form a V pattern

  6. Lingual Papillae

  7. Gustatory Sense • Taste Buds – 10 000 per tongue • Contains 40- 100 receptor • Basal stem cells • Replace gustatory cells • Gustatory cell • Extent microvilli (taste hair) into surrounding fluids • Life expectancy of 10 days • Taste pore • Narrow opening through which taste hair extent Gustatory cell Basal stem cells Microvilli Taste pore

  8. Stick your Tongue out …

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