Smell and Taste
Sour receptors are mainly stimulated by _____.
acids
Olfactory, or smell, receptors are _____ neurons surrounded by columnar epithelial cells.
bipolar
Alkaloids usually have a ______ taste.
bitter
The distal ends of the olfactory neurons are covered with hairlike _____ .
cilia
The axons of olfactory receptors pass through small openings in the _____ of the ethmoid bone.
cribriform plate
Olfactory bulbs lie on either side of the _____ of the ethmoid bone.
crista galli
Taste receptor cells are modified _____ cells.
epithelial
The olfactory interpreting centers are located deep within the temporal lobes and at the base of the _____ lobes of the cerebrum.
frontal
A chemical would be considered _____ if a person lacks a particular receptor site on the cilia of the olfactory neurons.
odorless
The sensory impulses pass from the olfactory bulbs through the _____ to the interpreting centers of the brain.
olfactory tracts
Olfactory receptor neurons are the only parts of the nervous system that come in contact with the _____ directly.
outside environment
Substances that stimulate taste cells bind with _____ sites on the surface of taste hairs.
receptor
Salt receptors are mainly stimulated by ionized inorganic _____.
salts
Olfactory sensations usually fade rapidly as a result of _____.
sensory adaptation
The ______ of a taste cells are it's sensitive part.
taste hairs
The opening to a taste bud is called a ______.
taste pore
Before gaseous substances can stimulate the olfactory receptors, they much be dissolved in _____ that surrounds the cilia.
water
Before the taste of a substance can be detected, the substance must be dissolved in _____.
water