innate or natural immunity

Microbiology. . 2009.

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  • natural immunity — noun immunity to disease that occurs as part of an individual s natural biologic makeup • Syn: ↑innate immunity • Hypernyms: ↑immunity, ↑resistance • Hyponyms: ↑racial immunity * * * noun …   Useful english 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

  • Innate immune system — See also: Immune system and Adaptive immune system Innate immune system The innate immune system, also known as non specific immune system and secondary line of defence,[1] comprises the cells and mechanisms that defend the host …   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

  • Natural killer cell — Latin lymphocytus K Code TH H2.00.04.1.02006 Natural killer cells (or NK cells) are a type of cytotoxic lymphocyte that constitute a major component of the innate immune system. NK cells play a major role in the rejection of …   Wikipedia

  • immunity — n. the body s ability to resist infection, afforded by the presence of circulating antibodies and white blood cells. Healthy individuals protect themselves by means of physical barriers, phagocytic cells, natural killer cells, and various blood… …   The new mediacal dictionary

  • natural killer cell — a type of lymphocyte that is able to kill virus infected cells and cancerous cells and mediates rejection of bone marrow grafts. NK cells are a part of natural (or innate) immunity. Their function is regulated by a balance between activating… …   Medical dictionary

  • natural killer cell — NK cell a type of lymphocyte that is able to kill virus infected cells and cancerous cells and mediates rejection of bone marrow grafts. NK cells are a part of natural (or innate) immunity. Their function is regulated by a balance between… …   The new mediacal dictionary

  • 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

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