| 释义 |
passive immunity
passive immunityn. Immunity acquired by the transfer of antibodies from another individual, as through injection or placental transfer to a fetus.
passive immunization n.pas′sive immu′nity
n. immunity that results from an external source, as injected antibody, or in infants from maternal antibody passed through the placenta or received from breast milk. [1890–95] Thesaurus| Noun | 1. | passive immunity - an impermanent form of acquired immunity in which antibodies against a disease are acquired naturally (as through the placenta to an unborn child) or artificially (as by injection of antiserum)acquired immunity - immunity to a particular disease that is not innate but has been acquired during life; immunity can be acquired by the development of antibodies after an attack of an infectious disease or by a pregnant mother passing antibodies through the placenta to a fetus or by vaccination |
passive immunity
passive immunity[′pas·iv i′myün·əd·ē] (immunology) Immunity acquired by injection of antibodies in another individual or in an animal. Immunity acquired by the fetus by the transfer of maternal antibodies through the placenta. passive immunity
ac·quired im·mu·ni·tyresistance resulting from previous exposure of an individual in question to an infectious agent or antigen; it may be active and specific, as a result of naturally acquired (apparent or inapparent) infection or intentional vaccination (artificial active immunity); or it may be passive, being acquired through transfer of antibodies from another person or from an animal, either naturally, as from mother to fetus, or by intentional inoculation (artificial passive immunity).passive immunityn. Immunity acquired by the transfer of antibodies from another individual, as through injection or placental transfer to a fetus.
passive immunization n.passive immunity Immunology Immunity conferred by an antibody produced in another host and acquired naturally by an infant from its mother or artificially by administration of an antibody-containing preparation–antiserum or immune globulinac·quired im·mu·ni·ty (ă-kwīrd' i-myū'ni-tē) Resistance resulting from previous exposure of the individual in question to an infectious agent or antigen; it may be active, as a result of naturally acquired infection or vaccination; or passive, being acquired from transfer of antibodies from another person or from an animal, either from mother to fetus or by inoculation. passive immunity Immunity, especially to specific infections, resulting from the acquisition of ANTIBODIES, either by injection or by transfer through the PLACENTA or ingestion in the breast milk. Sensitized T cells can also confer passive immunity.passive immunity see ANTIBODY.ac·quired im·mu·ni·ty (ă-kwīrd' i-myū'ni-tē) Resistance due to previous exposure of the individual in question to an infectious agent or antigen; may be active, due to naturally acquired infection or vaccination; or passive, acquired from transfer of antibodies from another person or animal, either from mother to fetus or by inoculation. LegalSeeimmunityFinancialSeePassivepassive immunity
Related to passive immunity: innate immunity, artificial passive immunityWords related to passive immunitynoun an impermanent form of acquired immunity in which antibodies against a disease are acquired naturally (as through the placenta to an unborn child) or artificially (as by injection of antiserum)Related Words |