| Athelia (disease) | |
|---|---|
| Specialty |
Medical genetics 
|
Athelia is the congenital absence of one or both nipples. It is a rare condition. It sometimes occurs on one side in children with the Poland sequence and on both sides in certain types of ectodermal dysplasia.
Etymology
Athelia, A-thelia, from the Greek "A", without, and "thelium" (singular), "thelia" (plural) nipple(s).