Definition
Papillary refers to structures resembling papillae, which are small, nipple-like projections found in various parts of the body. Think of the taste buds on your tongue – that's kind of what we're talking about! Papillary structures are often involved in increasing surface area for absorption or secretion. In medicine, it can describe certain types of growths or patterns seen under a microscope. It's all about those tiny projections!