Fig. 3 | Scientific Reports

Fig. 3

From: Effects of high-fat and low-calcium diets on the structure of filiform and fungiform tongue papillae in rats

Fig. 3

The differences in the fungiform papillae in the three study groups: Light micrograph of the fungiform papillae: (a) Control group showing a normal fungiform papilla with a barrel-shaped taste bud (circle). (b) High-fat diet group showing a fungiform papilla with separations in the taste buds (circle). A congested blood vessel is also visible (black arrow). (c) Low-calcium diet group showing a fungiform papilla with taste buds containing vacuolated and degenerating cells (circle). Cytoplasmic vacuolations are also observed in the epithelial layers (red arrows). (Hematoxylin & Eosin stain, 400× magnification).

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