defence reaction的意思|示意

The CDR makes cells put their ordinary activities on hold and instead switch on their defence systems, in reaction to high levels in the bloodstream of chemicals called purines.

即cdr系统会让细胞暂时停止它们的日常活动，反而让其打开了它们的防御系统，以应对血液中高浓度的，一种称为嘌呤的化学物质。

The results obtained suggest that neurons in the ventral medulla are important in maintaining blood pressure and as a relaying pathway of defence reaction .

上述结果提示家兔延髓腹侧神经元在维持正常血压水平和在中继防御反应传出通路中起重要作用。

They chose the parts of the coveting that appeared to cause the strongest reaction in the body's defence system against the disease.

他们选择似乎在人体抵御疾病系统中引起最强烈反应的外层部分。