Chemical Senses Flashcards
What are the 3 senses that animals cannot survive without?
Smell, taste, and touch.
What is Olfactory?
The sense of smell.
What is Gustatory?
The sense of taste.
What structures are involved in the Olfactory system?
Nose, mouth, and upper throat.
What are the stimulants for the Olfactory system?
Airborne chemicals.
Does the Olfactory system work through the Thalamus? Explain.
No, it works through the Olfactory bulb in the brain.
What structures are involved in the Gustatory system?
The mouth.
What are the stimulants for the Gustatory system?
Chemicals in solutions (food/drink).
What are the receptors for the Gustatory system and where are they located?
Taste buds, located by the thousands on the tongue.
What is a group of taste buds called?
Papillae
What are the 5 sensations of taste that we can experience?
Sweet
Sour
Bitter
Salty
Umami
What structures are used in the touch system?
Skin
What stimulants are used in the touch system?
Physical pressure.
Where does transduction occur in the touch system?
In the receptors, just below the skin.
Skin encodes the intensity of stimulants by what 2 qualities?
Firing rate and quantity of individual numbers.
