What Are Taste Buds - Graph Diagram

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Taste buds exist primarily in the small bumps on your tongue, called papillae. They also are present in other parts of the mouth, like the palate and throat. There are four types of papillae: Filiform: The most common, covering the tough surface of the tongue, and do not contain taste buds

Inflamed taste buds. Fungiform papillae are the most common type. You’ll find them on the tip and edges of your tongue. These papillae help you not only to taste, but also to detect temperature and touch through sensory cells they contain. Circumvallate papillae are located at the base of your tongue.

And each plays a different role in sensing the five primary tastes — salt, sweet, bitter, sour and umami. However, taste bud cells have a quick turnover, with the average lifespan being just ten days. After that, a new generation of cells grow. But scientists found that in obese mice the number of cells on the tongue’s taste buds declined. 2.