原げん発ぱつ性せい

noun which may take the genitive case particle 'no', noun

primary (medical)

Medical term meaning a condition arises spontaneously or from an unknown cause, not secondary to another disease. Used in compounds like 原発性高血圧 (primary hypertension).

• 原発性げんぱつせいアルドステロン症しょうは二に次じ性せい高こう血けつ圧あつの原げん因いんの一ひとつです。

  Primary aldosteronism is one cause of secondary hypertension.