1) Bumps that contain taste buds 2) Hair root protuberances 
• (pl. ) of Papilla
Small, irregular, pimple-like projections or bumps.
a small fleshy projection. 
(pua-pil;e) Small, nipplelike projections.
Small raised bumps or nipples on a tissue surface. Lingual papillae are taste buds.
small bumps on the tongue that sense taste
The tiny, pointed hooks on a cat's tongue that give the tongue its rough surface.
Small bumps on the skin that hold taste buds, which in turn hold the taste receptors in the tongue and throat, on the inside of the cheeks, and on the roof of the mouth.