Nail bed diagram Share on Pinterest. Nail anatomy Regarding the nail’s anatomy, it’s important to consider what you see and what you don’t. If you look at the top of the nail, ...

This article discusses nail anatomy in more detail, including their parts and structure, function, and common problems. Nail parts and structure. Share on Pinterest Illustration by Jason Hoffman.

Here's what you need to know about the hyponychium, the thick skin under your nail, and how to treat it if it starts to overgrow.