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Chemical Senses
Gustation (taste) + Olfaction (smell) = Flavor
Taste
Primary Tastes
Salt
Na+ cation, small anion
Sour
Low pH
Sweet
Large, non-dissociating
organic molecules
Bitter
Alkaloids
Umami
Amino acids, esp. glutamate
Smell
turbinates
Amoore’s Stereospecific Theory of Smell
Camphoraceous
Musky
Floral
Minty
Ethereal
Pungent
Putrid
turbinates
Each glomerulus
receives input
from a single
receptor type
There is lateral
inhibition between
glomeruli.
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