activity of lymphocyte populations
The body's most specific defense mechanism is the immune system, which is responsible for recognizing and destroying specific pathogens and foreign substances. This is achieved through the production of antibodies that target individual pathogens, providing a specific and targeted response to threats.
Antiviral immunity targets viruses by recognizing viral antigens and activating immune responses specific to viral infections. Antibacterial immunity targets bacteria by recognizing bacterial antigens and activating immune responses specific to bacterial infections. The mechanisms of immune cell activation, the types of cells involved, and the specific responses generated differ between antiviral and antibacterial immunity.
Exposure to a disease-causing organism typically results in acquired immunity, either through natural infection or vaccination. This type of immunity is specific to that particular organism and provides protection against future encounters with the same pathogen.
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Active immunity is long term protection that generally lasts 20-30 years and passive immunity is immediate protection. there are two forms, naturally acquired and artificially acquired. in active immunity the naturally acquired immunity is when you suffer from the disease then recover again. the artificially acquired way is by getting a vaccination. in passive immunity, the naturally acquired way is to receive antibodies from mother in pregnancy and breastfeeding, the artificial way is to have antibodies injected in a serum for immediate response for example when you have been bitten by a poisonous animal. note they are not vaccinated.
yes because it defend/protect us from the diseases
specific immunity
Congenital immunity, also known as innate immunity, is the natural defense mechanism present at birth that provides immediate protection against pathogens. It includes physical barriers like skin and mucous membranes, as well as immune cells such as macrophages and natural killer cells that respond rapidly to infections. Unlike adaptive immunity, which develops over time and requires exposure to specific pathogens, congenital immunity is non-specific and acts as the body's first line of defense. This form of immunity is crucial for survival, especially in the early stages of life when the immune system is still developing.
Humoral Immunity- acquired immunity in which the role of circulating antibodies is predominant. Natural Immunity- the resistance of the normal animal to infection
humoral immunity
The body's most specific defense mechanism is the immune system, which is responsible for recognizing and destroying specific pathogens and foreign substances. This is achieved through the production of antibodies that target individual pathogens, providing a specific and targeted response to threats.
Antiviral immunity targets viruses by recognizing viral antigens and activating immune responses specific to viral infections. Antibacterial immunity targets bacteria by recognizing bacterial antigens and activating immune responses specific to bacterial infections. The mechanisms of immune cell activation, the types of cells involved, and the specific responses generated differ between antiviral and antibacterial immunity.
The process of immunity is to produce specific antibodies that bind to antigens on the surface of pathogens. =]
Active immunity
The term for a state of resistance to an infection is "immunity." Immunity can be either innate, which is the body's natural defense mechanism, or adaptive, which develops over time as the immune system responds to specific pathogens. This state helps protect the body from diseases and infections by recognizing and neutralizing harmful agents.
The four types of immunity are innate immunity, adaptive immunity, passive immunity, and active immunity. Innate immunity is the body's first line of defense, providing immediate but non-specific protection against pathogens. Adaptive immunity develops over time and involves a specific response to pathogens, including the production of antibodies. Passive immunity involves the transfer of antibodies from one individual to another, such as from mother to child, while active immunity refers to the immune system's response to a vaccine or infection, leading to long-lasting immunity.
Specific immunity follows a non-specific response. The major difference between specific and non-specific is the ability to remember pathogenic antigens. Specific immunity results in the production of memory cells which upon reinfection are used to effectivly remove the pathogen Non-specific cannot do this