Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
|
What are the five primary taste sensation? |
Bitter, sour, salty, sweet, umami |
|
|
Why does taste sensation depend on the smell? |
Because taste molecules like travel up to the nasal cavity |
|
|
What is the epiglottis? |
It is located in the back of the tongue. It is a flap of cartilagenous tissue near the trachea |
|
|
What is the taste bud? |
It is the receptor for the sensation of taste |
|
|
What are papillae? |
Elevations in the tongue where taste buds resides |
|
|
What is the circumvallate papillae? |
Forms a v shape on the tongue, each has 100-300 taste buds. Mushroom shaped |
|
|
What is the fungiform papillae? |
Mushroom shaped. It is tongue wide and each only has five taste buds |
|
|
What is the foliate papillae? |
It is located on the lateral margins of the tongue. They degenerate early childhood |
|
|
Filiform papillae |
Has no taste buds. Provides texture to tongue that helps break apart food. |
|
|
What are the components of the taste bud? |
Gustatory hair, Gustatory receptor cell, supporting cells, basal cells, sensory neurons |
|
|
What is the gustatory hair? |
Microvilli that projects off the gustatory receptor cell of the tongue surface |
|
|
What are the gustatory receptor cell? |
Where the hair projects from? It's life span is 10 days |
|
|
Where do the nerve impulses go in the end? |
Primary gustatory center in the cerebral cortex of the parietal lobe |
|
|
What are the nerves involved for taste? |
Facial nerve (VII), glossopharyngeal nerve (IX), vagus nerve (X) |
