noun which may take the genitive case particle 'no'
refractory; unresponsive
Medical term describing a condition or patient that does not respond to treatment. Used attributively with の.
不応性の貧血は治療が難しい。
Refractory anemia is difficult to treat.
この患者は化学療法に不応だ。
This patient is unresponsive to chemotherapy.
refractory period
Sino-Japanese compound of 不 (not) and 応 (respond).