Smell And Taste Flashcards
The organ of smell is the ___ which covers the roof of the nasal cavity
Olfactory epithelium
Some smell sensations are __ sensations
Pain
Nociceptors in nasal cavity= ___ nerve
Trigeminal
In olfactory transduction, adenylate cyclase converts ___ to ___ as a secondary messenger
ATP
cAMP
In olfactory transduction, cAMP acts on plasma membrane allowing ___ and ___ to enter inside the cell
Na
Ca
Olfactory receptor cells synapse with ___ cells in the ___ of olfactory bulbs
Mitral
Glomeruli
In the olfactory bulb, ___ cells use GABA to inhibit mitral cells and ___ cells modulate
Granule
Periglomerular
The secondary pathway of smell is to the ___ system
Limbic
Some gustatory cells form synapses and release neurotransmitter ___
Serotonin
Some gustatory cells do not contain synaptic vesicles, but use ___ to act as a primitive neurotransmitter
ATP
“Salty” taste allows __ to pass through channel
Na
“Bitter” releases ___ as a secondary messenger
Ca
Taste is __ % smell
80%
___ conducts signals from the front and sides of tongue
Chorda tympani
___ nerve conducts taste form the back of the tongue
Glossopharyngeal
The ___ nerve conducts taste from the mouth and larynx
Vagus
The chorda tympani, glossopharyngeal, and vagus nerve all connect to what nucleus?
Nuclues of the solitary tract
Taste sensations travel from the nucleus of the solitary tract to the thalamus and then ___ in the insula
Gustatory cortex
