The anterior flagella present in the protozoans is known as

The anterior flagella present in the protozoans are known as Tinsel.
Tinsel is a type of flagella that bears hair-like projections on its surface.
The tinsel flagellum has two rows of tripartite tubular hairs known as mastigonemes, which are composed of glycoproteins.
A transitional helix is usually present between the shaft of the flagellum and the basal body.