high zone

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high zone

high zone
high zone

high zone
免疫词汇
(Immunology) the acquired inability to respond with an immune reaction to an antigen to which the organism normally responds; -- called also immunotolerance,immunological tolerance,or immune tolerance.Such tolerance may be induced by exposing an animal to the antigen at a very early stage of life,prior to maturation of the immune system,or,in adults,by exposing the animal to repeated low doses of a weak protein antigen (low-zone tolerance),or to a large amount of an antigen (high-zone tolerance).
意思就是由于接触大剂量抗原而引起的免疫耐受.

高带耐受