These antibodies are from an animal or person who is already immune to the disease. Both passive and active immunity can be either naturally or artificially acquired. The antibodies provide immunity for that disease. Naturally acquired active immunity occurs when the person is exposed to a live pathogen, develops the disease, and becomes immune as a result of the primary immune response. This is achieved in two ways: (i) By inoculation. Passive immunity: If host does not produce antibodies itself but antibodies produced in other host provides immunity, than it is known as Passive immunity. Its hallmarks are its ability to learn, adapt, and remember. The key difference between these two segments is that, innate immunity is present from the point of birth while acquired immunity develops over growth. The second kind of defence mechanism is the acquired immunity. Naturally acquired active immunity Artificially acquired passive immunity. The immune response to the first exposure to the pathogen is called the primary response. The acquired immunity against a particular microbe may be induced by the host’s response to the microbe or by the transfer of antibodies or lymphocytes specific for the microbes. Active immunity. Artificially acquired active immunity can be induced by a vaccine, a substance that contains the antigen. http://sciencewithsusanna.com has diagrams, notes, and practice questions. Create your own flashcards or choose from millions created by other students. • Explain naturally and artificially acquired immunity (passive, and active). Passive Immunity. More than 50 million students study for free with the Quizlet app each month. In this case, immunity is longer lived although duration depends on the persistence of the antigen and the memory cells in the body. Active naturally acquired immunity refers to the natural exposure to an infectious agent or other antigen by the body. Related Term(s): Acquired Immunity In fishes, active immunity is developed in mucosal secretion of organs such as skin, gills, or intestine without an overall systemic immunity (Uribe et al., 2011). • Explain the two interrelated and independent mechanisms of the specific immune response such as : A. Humoral immunity. Immunity that develops after exposure to a disease-causing infectious microorganism or other foreign substance, such as following infection or vaccination. Passive immunity is provided when a person is given antibodies to a disease rather than producing them through his or her own immune system. It is called as a particular defense mechanism or the third line of defense. Immunity and its types: Innate and Acquired immunity. Acquired Immunity. 2 Artificially acquired active immunity • Immunization may be achieved by administering live or dead pathogens or their components (Vaccination). ADVERTISEMENTS: (ii) By falling ill once (i) By inoculation. Active immunity is usually classified as natural or acquired. It is slow and takes time in the formation of antibodies. Naturally acquired active immunity occurs when the person is exposed to a live pathogen, develops the disease, and becomes immune as a result of the primary immune response. This type of immunity can be divided into two types, which are external and internal. Acquired immunity: Immunity acquired by infection or vaccination (active immunity) or by the transfer of antibody or lymphocytes from an immune donor (passive immunity). However, active immunization also can be conferred artificially by means of vaccines. Active immunity is exactly what it sounds like – it occurs when your body is exposed to a disease-causing bacteria or virus and your body produces antibodies to fight and protect against disease. The body immediately produces antibodies. Acquired immunity. The other way to get active immunity is to get a vaccine for the disease or illness. Naturally acquired active immunity occurs when the person is exposed to a live pathogen, develops the disease, and becomes immune as a result of the primary immune response. Types of acquired immunity. A newborn baby acquires passive immunity from its mother through the placenta. Quizlet is the easiest way to study, practice and master what you’re learning. Active artificially acquired immunity refers to any immunization with an antigen. Active Immunity. acquired immunity n. Immunity obtained either from the development of antibodies in response to exposure to an antigen, as from vaccination or an attack of an infectious disease, or from the transmission of antibodies, as from mother to fetus through the placenta or the injection of antiserum. Dead germs of a disease are injected in the patient’s body. B. Cell-mediated (cellular) immunity. When a person is given antibodies to a disease rather than producing them through his or her own system. 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