Ch7 - Oflaction Flashcards

1
Q

Stimulus

A

volatile substances w 15-300 molecular weight, almost all lipid soluble & organic origin

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2
Q

Oflactory processing

A

each receptor sends 1 axon into olfactory bulb where it forms synapses with dendrites of mitral cells - axons of mitral cells travel to brain through olfactory tracts

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3
Q

Recognition of odours

A

up to 10 000 diff odorants for humans - 339 diff olfactory receptors (min) - particular odour = particular pattern of activity in glomeruli - patterns of activity in posterior piriform cortex - odorant molecules bind to multiple receptors

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