Question

1.What are the three types of papillae and where on the tongue are they located?

2.What are the two epithelial cells in a taste bud, and what are their functions?

Answer 1

1.The three types of papillae are 1.Fungiform 2.filiform and 3.Circumvallate papillae

Filiform papillae are the numerous of all and present over the dorsum of the tongue.Fungiform papillae are present over the tip of the tongue.Circumvallate papillae are present immediately in front of the foramen caecum and sulcus terminalis.

2.The two types of cells are gustatory cells and supporting cells.Supporting cells form the outer envelope for the bud.Gustatory cells are the chemoreceptors that helps in the identification of taste of the substances.