Why Do We Have A Little Groove Under Our Nose?

Health and Medicine





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The little groove is actually known as the "philtrum" and is a product of the way the human face develops. Andrey Mischchenko/Shutterstock

We all have them, though it’s puzzled biologists for a long time as to why we do. I’m talking about that odd little groove found below your nose that runs to your top lip. Technically, it’s known as your philtrum and it’s as ubiquitous to the human face as the nose or eyes. But what is it, and why the hell do we have it? Well fascinatingly enough, it all relates to how faces are formed within the womb during development.