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WorksheetsGustation
Total questions: 27
Worksheet time: 24mins
Gustation is the sense of taste.
What are four types of lingual papillae?
Filiform
Foliate
Fungiform
Vallate
Identify the lingual papillae
•Tiny spikes with no taste buds
•Help sense food texture (mouthfeel)
Filiform
Foliate
Fungiform
Vallate
Identify the lingual papillae
•Shaped like mushrooms at tips and sides of tongue
•Each has about three taste buds, mostly at apex
Filiform
Foliate
Fungiform
Vallate
Identify the lingual papillae
•At rear of tongue in a “V”
•Contains up to one-half of all taste buds
Filiform
Foliate
Fungiform
Vallate
Identify the lingual papillae
•Form parallel ridges along sides of posterior two-thirds of tongue
•Have taste buds that mostly degenerate by age 3
Filiform
Foliate
Fungiform
Vallate
Gustation Receptors: Label 1
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Gustation Receptors: Label 1
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Gustation Receptors: Label 2
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Gustation Receptors: Label 4
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In order to be tasted, molecules must:
dissolve in saliva and flood the taste pore
be swallowed
be digested completely
What are the five primary sensations?
Salty -•produced by metal ions (sodium and potassium)
Sweet - •associated with carbohydrates and other foods of high caloric value
Umami - •“meaty” taste of amino acids in chicken or beef broth
Sour - •acids such as in citrus fruits
Bitter - associated with spoiled foods and alkaloids such as nicotine, caffeine, quinine
What are the three cranial nerves that carry taste information?
Facial Nerve•Anterior two-thirds of tongue
Glossopharyngeal•Posterior one-third of tongue
Vagus•Palate, pharynx, and epiglottis
Hypoglossal
