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11 Cards in this Set
- Front
- Back
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chemoceptors
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the receptors for gustation and olfaction which respond to chemicals in an aqueous solution
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taste buds
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the sensory receptor organs for taste
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papillae
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peglike projections of the tongue mucosa
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fungiform papillae
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where taste buds are mainly found on the tops of mushroom shaped fungiform papillae
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circumvallate or vallate papillae
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taste buds are located in their epithelium, and are located in a V at the back of the tongue
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3 types of cells for gourd cells
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supporting, gustatory and gustatory hairs.
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supporting
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form the bulk of the taste bud and insulate the receptor cells from each other and from tongue epithelium
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gustatory cells
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project from the tips of the cell through a taste pore
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the basal cells
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act as stem cells, dividing and differentiating into supporting cells which in turn give rise to new gustatory cells
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five basic qualities of taste
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sweet sour salty bitter and umami
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for a chemical to be tasted
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it must dissolve in saliva, diffuse into the taste pore and contact the gustatory hairs
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