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The upper surface of the tongue. Labels: 1,2, circumvallate papillae; 3, fungiform papillae; 4, filiform papillae; 6, mucous glands.

Tongue

The upper surface of the tongue. Labels: 1,2, circumvallate papillae; 3, fungiform papillae; 4, filiform…

The upper surface of the tongue. Labels: 1, 2, circumvallate papillae; 3, fungiform papillae; 4, filiform papillae; 6, mucous glands.

Upper Surface of Tongue

The upper surface of the tongue. Labels: 1, 2, circumvallate papillae; 3, fungiform papillae; 4, filiform…