Fig. 3

Gross (View A) and scanning electron microscopic (Views B-F) image of the lingual apex (LA) of the Arab Zebu cattle to show the lingual tip (LT) with its mucosal folds (FO); tubercles (LU); scales (LS); a few long filiform papillae (FIL); rod-like filiform papillae (FIR) that are surrounded by a circular groove (white arrowheads); and fungiform papillae (FU). Scale bars: B = 500 μm, C and E = 200 μm, D = 100 μm