陥かん没ぼつ乳ち首くび

noun

inverted nipple; retracted nipple

Anatomical term for a nipple that is pulled inward rather than protruding. Used in medical and everyday contexts.

See also: 陥没乳頭

• 陥かん没ぼつ乳ち首くびは、生うまれつきの場ば合あいもあれば、後こう天てん的てきに起おこることもあります。

  An inverted nipple can be present from birth or can develop later in life.