acquired immunity


acquired immunity
acquired immunity n immunity that develops after exposure to a suitable agent (as by an attack of a disease or by injection of antigens) compare ACTIVE IMMUNITY, NATURAL IMMUNITY, PASSIVE IMMUNITY

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immunity involving the functioning of the immune system acquired by natural infection or vaccination (active immunity) or transfer of antibody or lymphocytes from an immune donor (passive immunity). Cf. innate i.

Medical dictionary. 2011.

Look at other dictionaries:

  • acquired immunity — noun 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… …   Useful english dictionary

  • acquired immunity — Immunol. immunity arising from exposure to antigens. Cf. natural immunity. [1930 35] * * * …   Universalium

  • acquired immunity — Refers to the type of specific immunity that develops after exposure to a suitable antigen or is produced after antibodies are transferred from one individual to another …   Dictionary of microbiology

  • acquired immunity — Classically, the reaction of an organism to a new antigenic challenge and the retention of a memory of this, as opposed to innate immunity. In modern terms, the clonal selection and expansion of a population of immune cells in response to a… …   Dictionary of molecular biology

  • acquired immunity — built up resistance (mental, physical, social, etc.); granted protection from prosecution …   English contemporary dictionary

  • Immunity (medical) — Immunity is a biological term that describes a state of having sufficient biological defenses to avoid infection, disease, or other unwanted biological invasion. Immunity involves both specific and non specific components. The non specific… …   Wikipedia

  • Immunity — The condition of being immune. Immunity can be innate (for example, humans are innately immune to canine distemper) or conferred by a previous infection or immunization. * * * 1. The status or quality of being immune (1). 2. Protection against… …   Medical dictionary

  • immunity — /i myooh ni tee/, n., pl. immunities. 1. the state of being immune from or insusceptible to a particular disease or the like. 2. the condition that permits either natural or acquired resistance to disease. 3. the ability of a cell to react… …   Universalium

  • immunity — Synonyms and related words: absolution, acquired immunity, active immunity, amnesty, antibody, antigen, artificial immunity, assurance, blank check, carte blanche, charter, clear sailing, congenital immunity, copyright, diplomatic immunity,… …   Moby Thesaurus

  • immunity —    The ability to resist infection and to heal. The process may involve acquired immunity, (the ability to learn and remember a specific infectious agent), or innate immunity (the genetically programmed system of responses that attack, digest,… …   Herbal-medical glossary


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