small natural indentation in the flesh
Dimples are genetically inherited indentations of the skin. They are caused by the flesh underneath the skin, that forms on some people's cheeks, especially when they smile. Some people may only have one dimple on only one side of the face.
- "Singapore Science Centre: ScienceNet|Life Sciences|Genetics/ Reproduction". Archived from the original on 2003-09-25. Retrieved 2011-01-17.