passive immunity


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Related to passive immunity: innate immunity, artificial passive immunity

passive immunity

n.
Immunity acquired by the transfer of antibodies from another individual, as through injection or placental transfer to a fetus.

passive immunization n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Targeted transfer factors can be made in a manner to promote passive immunity. Chickens or cows are infected with attenuated specific antigens.
" Ang gatas ng ina ay may tinatawag na anti bodies kontra measles kaya ang mga sanggol ay may resistance sa lahat ng sakit at ang tawag doon ay passive immunity (A mother's milk has what you call anti-bodies against measles that would give the infant the resistance against many diseases.
In addition to a systemic secreted antibody that could provide passive immunity, Moderna is also exploring using mRNA to encode viral antigens as a prophylactic vaccine against the Chikungunya virus (mRNA-1388).
"Also, babies receive some passive immunity from their mother's vaccination, which provides protective cover during the first few months of life.
Adaptive immunity is highly specific to particular pathogens and can be either temporarily borrowed from an artificial source (passive immunity) or can be permanently acquired through the body's own immunological memory (active immunity).
Among the three classes, only IgG was found to affect passive immunity functions in small ruminants (Table 1).
Effects of prenatal source and level of dietary selenium on passive immunity and thermometabolism of newborn lambs.
[1,2] Transplacental transfer of maternal IgG antibodies provides passive immunity to the infant in the first 6 months of life.
Colostrum is high in energy and an important source of passive immunity, meaning immunity is passed to the baby rather than acquired from exposure, vaccination, or antibodies.
Colostrum is the pre-milk substance that is produced by all mammals and is the first passive immunity that any newborn receives.
It appears that it is safe to breastfeed for a short duration with the goal to primarily provide colostrum to the neonate due to benefits of providing nutrients and passive immunity, transmission of cytokines and growth factors, and decreasing constipation by clearing excess bilirubin.
Serology, however, can be confounded by passive immunity acquired from blood products.

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