Ch 12 taste and smell

18 terms by Jfroth 

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bipolar

Olfactory receptors (smell receptors) are 1.----- neurons surrounded by columnar epithelial cells

cilia

The distal ends of the olfactory neurons are covered with hairlike 1.-----.

fluid

Before gaseous substances can stimulate the olfactory receptors, they must be dissolved in 1.----- that surrounds the cilia.

cribriform plate

The axons of the olfactory receptors pass through small openings in the 1.----- 2.----- of the ethmoid bone.

crista galli

Olfactory bulbs lie on either side of the 1.----- 2.----- of the ethmoid bone

olfactory tracts

The sensory impulses pass from the olfactory bulbs through the 1.----- 2.----- to the interpreting centers of the brain

frontal

The olfactory interpreting centers are located deep within the temporal lobes and at the base of the 1.----- lobes of the cerebrum.

adaptation

Olfactory sensations usually fade rapidly as a result of sensory 1.-----.

odorless

A chemical would be considered 1.----- if a person lacks a particular receptor site on the cilia of the olfactory neurons

true

Olfactory receptor neurons are the only parts of the nervous system that come in contact with the outside environment directly. T/F

epithelial

Taste receptor cells are modified 1.----- cells.

taste pore

The opening to a taste bud is called a taste 1.-----.

hairs

The taste 1.----- (also called microvilli) of a taste cell are its sensitive part

saliva

Before the taste of a substance can be detected, the substance must be dissolved in 1.-----.

receptors

Substances that stimulate taste cells seem to bind with 1.----- sites on the surfaces of taste hairs

acids

Sour receptors are mainly stimulated by 1.-----.

salts

Salt receptors are mainly stimulated by ionized inorganic 1.-----.

bitter

Alkaloids usually have a 1.----- taste

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