Active immunity is a type of immunity that occurs when the body produces its own antibodies in response to an antigen. It is a natural process that happens when the immune system is exposed to foreign substances, such as bacteria or viruses. This article will delve into the definition, origin, meaning, associations, synonyms, antonyms, and example sentences of active immunity.
Definitions
Active immunity is defined as the immunity that results from the production of antibodies by the immune system in response to the presence of antigens. It is a type of immunity that is acquired naturally or artificially.
Origin
Active immunity is a natural process that occurs when the immune system is exposed to foreign substances, such as bacteria or viruses. It also occurs when a person is vaccinated against a disease. The immune system is stimulated to produce antibodies, which provide protection against future infections.
Meaning in different dictionaries
According to Merriam-Webster, active immunity is “immunity that results from the production of antibodies by the immune system in response to the presence of antigens.” The Oxford English Dictionary defines it as “immunity resulting from the production of antibodies by the immune system in response to the presence of antigens.”
Associations
Active immunity is associated with the body’s immune response to foreign substances. It is also associated with vaccination, as vaccines stimulate the immune system to produce antibodies and provide protection against future infections.
Synonyms
Synonyms of active immunity include acquired immunity, adaptive immunity, and specific immunity.
Antonyms
Antonyms of active immunity include passive immunity, innate immunity, and non-specific immunity.
The same root words
The same root words as active immunity include immunity, active, and antigen.
Example Sentences
- Mary developed active immunity to the flu virus after getting vaccinated.
- John’s body produced its own antibodies in response to the bacteria, resulting in active immunity.
- Active immunity provides long-lasting protection against future infections.
- Passive immunity, unlike active immunity, is acquired through the transfer of antibodies from another source.