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Red whirls on this rabbit’s tongue are filiform papillae, which roughen the tongue and help move food around the mouth.

This enabled the AI tool to predict the type of papillae to within 85 per cent accuracy and to map the position of filiform and fungiform papillae on the tongue's surface.

Antenn� linear, thickened in the middle, externally ciliated in the male, simple and filiform in the female, gradually ending in an arcuated, obtuse hook.

Sterile catkins single or often several from the same lateral scaly bud, filiform and hanging in all our species.

Most of the bumps on the tongue’s surface are filiform papillae, which enable tactical sensation.