my notes Chapter 15 taste system

my notes Chapter 15 taste system - Chapter 15 taste system...

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Chapter 15 taste system: The taste system is associated with the function but it is not always the case. Taste=function Basic taste QUALITIES: test done using method of MAGNITUDE ESTIMATION! represents SPECIFICITY CODING Sweet (sucrose) Salty (NACL) Sour ( HCL) Bitter (quinine) Umami associated with MSG Filiform papillae Cones Everywhere CONTAINS NO TASTE BUDS! Fungiform Mushrooms Tip and sides foliate Series of folds Back and sides Cirmumvilliate Trenches and mounds back There are 10,000 taste buds and each taste bud has 50- 100 taste cells Transduction takes place at the taste cells taste buds taste cells taste pores Chorda tympani nerve From TASTE CELLS in the tip Glyssopharnyx nerve From back of the tongue
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Vagus From the mouth and throat Superficial From the top of the mouth/ SOFT PALLETTE Taste cells nerves nucleus of the solitary tract ( brain stem) insula (thalamus) frontal operculum Orbitofrontal cortex!
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