This small depression forms very early, during fetal development.
During ear formation, several structures must fuse perfectly. If this fusion is incomplete, it can leave a small visible opening: the so-called preauricular sinus.
This is therefore a detail related to how the body formed… long before birth.
A rare… but normal characteristic
Not everyone has this mark, which makes it intriguing.
According to some observations:
- It is more common in certain regions of the world.
- It remains generally quite rare.
- It can be present on one ear or on both ears
In the vast majority of cases, it causes no discomfort and has no impact on daily life.
