Fig. 2

Scanning electron microscopic image of the lingual tip (LT) of the Arab Zebu cattle to show mucosal folds (FO), tubercles (LU), scales (LS), and scale-projections (LP); the filiform papillae (FI); long filiform papillae (FIL) with their accessory processes (red*) and papillary scales (PS); rod-like filiform papillae (FIR); fungiform papillae (FU) with its papillary scales (PS); annular groove (white arrowheads); and taste pores (red arrowheads). Scale bars: A and B = 500 μm, C, D, and E = 100 μm