passive immunity(redirected from Maternal Passive Immunity)
Also found in: Thesaurus, Medical, Encyclopedia.
Immunity acquired by the transfer of antibodies from another individual, as through injection or placental transfer to a fetus.
passive immunization 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.
Switch to new 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