BIO 183-Special senses f09 - Special senses 1. General...

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Unformatted text preview: Special senses 1. General characteristics- All located in the head via CNs- 5 special senses 2. Senses a. Olfaction Location: Olfactory mucosa (5cm 2 )- 5 special senses 2. Senses a. Olfaction Location: Olfactory mucosa (5cm 2 ) Stimulant: Odorants Nerve: CN I Cells: Olfactory receptors (1x10 7-9 ) Nerve: CN I *Hyposmia: reduction of smell b. Gustation (taste) Sour, sweet, salty, bitter, umami Location: Taste buds *Hyposmia: reduction of smell b. Gustation (taste) Sour, sweet, salty, bitter, umami Location: Taste buds 4 types: Cells: Olfactory receptors (1x10 7-9 ) Nerve: CN I b. Gustation (taste) Sour, sweet, salty, bitter, umami Location: Taste buds 4 types: Vallate Fungiform Foliate Filiform 4 types: Vallate Fungiform Foliate Filiform Stimulants: tastants Cells: Gustatory cell Nerve: CN VII, IX, X *V-gen. sense Stimulants: tastants Cells: Gustatory cell Nerve: CN VII, IX, X *V-gen. sense *Taste aversion: taste = emotion c. Vision * > of sensory receptors are in eyes Location: Eyeball (bony orbit) c. Visionc....
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BIO 183-Special senses f09 - Special senses 1. General...

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