SALIVARY INFLUENCE IN GUSTATION
Saliva in animals dissolves the chemicals that stimulate taste sensation. These chemicals enter the buds by forming pores. The columnar cells are present in about 40-120 in range for the taste buds (similar to a cluster of bananas).
TABLE 13.1
Reception of Taste Buds and its Location
Receptors of taste
buds (types) Location of tongue
Fungiform Dorsal surface of rostral 2/3 rd and lateral margin
& tip.
Vallate Caudal portion of lateral side.
Foliate Dorsolateral of caudal side.
| TABLE 13.2 | |
| Species and Number of Taste Buds | |
| Species | Number of taste buds |
| Dog | 1700 |
| Human | 9000 |
| Cat | 470 |
TABLE 13.3
Taste and Location in the Tongue
Taste Location in tongue
Meaty Rostral 2∕3rd of dorsal region
Sweet Rostral & lateral region
Salty Lateral region
*(very low in dogs)
Small “taste pores,” i.e., modified receptors in taste buds, have an extension of “microvilli” from these taste pores.
Life span: Replacement is initiated every 10 days.
Taste sensation is triggered by a large number of molecules and a very little number of cells responsible for taste. Each flavor receptor pertains to only one type of taste cell. Every cell recognizes sweet, sour, and bitter tastes, but very little recognition for salty tastes.
13.3