Smell

Front

What is the term for the sense of smell?

Back

Olfaction

Front

What are olfactory receptors?

Back

Specialized cells in the nose that bind to odor molecules and send signals to the brain.

Front

What is the function of the piriform cortex?

Back

It is a key brain area involved in processing and coding olfactory information.

Front

What are nostrils?

Back

External openings of the nose that allow air and smells to enter.

Front

What is anosmia?

Back

The loss of the sense of smell, which can be total or partial.

Front

How do odor molecules reach the olfactory receptors?

Back

They travel through the air and enter the nostrils.

Front

What role does the brain play in the sense of smell?

Back

The brain processes and identifies smells based on signals from olfactory receptors.

Front

What is the shape-pattern theory in olfaction?

Back

A theory that suggests smells are identified by the pattern of activation of olfactory receptors.

Front

What happens when an odor molecule binds to an olfactory receptor?

Back

It triggers an impulse that is sent to the brain for identification.

Front

Can the sense of smell be affected by injury?

Back

Yes, head injuries can lead to anosmia or changes in smell perception.