Fig. 4

Gross (View A) and scanning electron microscopic (Views B-F) image of the median area of the lingual apex of the Arab Zebu cattle to show the elongated filiform papillae (FIE) with their accessory processes (red*), papillary scales (PS), and median papillary ridge (green*). Scale bars: B and C = 500 μm, D and F = 200 μm, E = 50 μm