Sense of Smell and Taste

What type of receptors cover the olfactory epithelium on the roof of the nasal cavity?

Chemoreceptors

What are the second-order neurons present in the olfactory bulb

Mitral cells

Why are Bipolar neurons special?

They regenerate through the differentiation of olfactory stem cells

How do the axons of olfactory neurons go through the crib form plate?

Through olfactory foramina

The connection between the axon of the olfactory bipolar axon and the mitral cell in the olfactory bulb

glomeruli

Impulses travel via the ____ to the ____

olfactory tract; piriform lobe

Where are taste buds located on?

Projections called papillae

The majority of papillae are what?

Filiform

What do filiform do?

Sense texture, lacks taste buds

Taste cells

Gustatory cells

What cells differentiate into gustatory taste cells

basal epithelial cells

What are the basic taste sensations?

Bitter, sour, salty, sweet, Unami

What is unami

Amino acids glutamine and aspartate

What is the possible sixth sense?

Fatty acids

How do we taste (chemicals)

Dissolve in saliva

Diffusion through taste pore

Contact gustatory hairs

What is sour taste due to?

Hydrogen

What is salty taste due to?

Sodium

What enhances or detracts from taste?

Temperature and texture

Olfactory disorder that results from complete loss of smell

Anosmia

What are Uncinate fits

Olfactory hallucinations