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4 Cards in this Set
- Front
- Back
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4 basic classifications for taste. with 1 extra
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- salty, sweet, bitter, sour
- umami: savory, meaty |
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papillae
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- small projection containing taste buds (as well as the sensory cells)
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taste receptor cells
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- sense presence of chemicals in mouth
- connect to axons to relay info to brain via cranial nerves - may directly activate ion channels or be similar to G protein coupled receptors - depolarize membrane potential, leads to release of Ca++ influx and activate sensory axons - enter brain through cranial nerves which synapse in gustatory nucleus in dorsal medulla |
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gustatory nucleus
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- neurons for gustatory nucleus synapse upon neurons in ventral posterior medial nucleus
- VPM sends sensory info to primary gustatory cortex in ventral parietal love |
