Olfactory receptors (smell receptors) are 1.----- neurons surrounded by columnar epithelial cells
The distal ends of the olfactory neurons are covered with hairlike 1.-----.
Before gaseous substances can stimulate the olfactory receptors, they must be dissolved in 1.----- that surrounds the cilia.
The axons of the olfactory receptors pass through small openings in the 1.----- 2.----- of the ethmoid bone.
Olfactory bulbs lie on either side of the 1.----- 2.----- of the ethmoid bone
The sensory impulses pass from the olfactory bulbs through the 1.----- 2.----- to the interpreting centers of the brain
The olfactory interpreting centers are located deep within the temporal lobes and at the base of the 1.----- lobes of the cerebrum.
Olfactory sensations usually fade rapidly as a result of sensory 1.-----.
A chemical would be considered 1.----- if a person lacks a particular receptor site on the cilia of the olfactory neurons
Olfactory receptor neurons are the only parts of the nervous system that come in contact with the outside environment directly. T/F
Taste receptor cells are modified 1.----- cells.
The opening to a taste bud is called a taste 1.-----.
The taste 1.----- (also called microvilli) of a taste cell are its sensitive part
Before the taste of a substance can be detected, the substance must be dissolved in 1.-----.
Substances that stimulate taste cells seem to bind with 1.----- sites on the surfaces of taste hairs
Sour receptors are mainly stimulated by 1.-----.
Salt receptors are mainly stimulated by ionized inorganic 1.-----.
Alkaloids usually have a 1.----- taste
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