olfactory membrane
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Every Smell Has Its Place
Posted by Weizmann Science Writer on September 26, 2011
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The olfactory membranes in your nose are densely packed with smell receptors. These receptors come in some 400 different subtypes; complex odors like that of rose petals can waft around 175 distinct kinds of odor molecules in the direction of your nose. In other words, the number of discrete odors we can perceive runs to…