- 舌乳头 shérǔtóu lingual papillaSmall bumps on the surface of the tongue; taste buds; the organs on the tongue that sense flavors. Also called [[味蕾|味蕾|wei4 lei3]].
- 乳头瘤 rǔtóuliú papillomaa benign growth or tumor on the skin or mucous membranes
- 视神经乳头 shìshénjīngrǔtóu optic diskthe terminal point of the optic nerve on the retina