A&P2 Taste and Smell

What must happen to a substance before it's tasted?

Dissolve in Saliva

Name where on the tongue taste buds for salty, sweet, sour, bitter, and umami are found.

1.Sweet- tip tongue

2.Salty- front side of tongue

3.Sour- sides of tongue especially back sides

4.Bitter- back tongue

5.Umami- middle and all across tongue

What types of foods give each taste type?

1.Sweet-sugars

2.Salty-sodium

3.Sour-acidic

4.Bitter- toxic

5.Umami- amino

Are there taste buds in the lungs?

Yes

What is gustation?

Sense of taste

What is Olfactory?

Sense of smell

Are taste buds neurons?

No

What must happen for chemicals to be smelled?

1. Inhaled

2. Dissolved in Mucus

3. Bind to Olfactory Receptors

4.Activation of Olfactory Neuron's

5. Transmission of signals to the brain

6. Signals processed in the brain

What type of chemicals crosses the olfactory mucosa freely? with protein carriers?

Lipid soluble chemicals: free passing ex-perfumes and food odors

Water soluble chemicals: proteins requirement ex- pheromones and some plant-derived compounds

Are smell senses phasic or tonic?

Phasic due to quick adaption yet decreased after long periods