<unk>  (Latin: "shaggy hair", plural villi) can refer to:
Intestinal<unk> . This is the most common meaning when not more precisely specified
Chorionic villi, found on the surface of the outermost membrane (the chorion) of the fetus
Arachnoid villi, located on the arachnoid membrane of the brain
Villus
Vesicle 
Gumma 
Lumen 
Intestinal villus
Buccal mucosa
Glomerulus
Nodule 