noun which may take the genitive case particle 'no'
Medical term used attributively to describe conditions, symptoms, or procedures that involve pain. Often appears in compound phrases like 有痛性疾患 (painful disorder) or 有痛性けいれん (painful cramp).
有痛性のしこりが乳房に見つかった。
A painful lump was found in the breast.
有
Painful cramps are caused by strong muscle contractions.
疼痛 is a formal medical term for 'pain' or 'ache', often used as a noun. 有痛性 is an adjective form meaning 'painful'.
Compound of 有 (yū, 'having') + 痛 (tsū, 'pain') + 性 (sei, 'nature/characteristic'). A Sino-Japanese medical term meaning 'having the nature of pain'.