Immunity (medicine) - Wikipedia
Immunity (medicine) In biology, immunity is the state of being insusceptible or resistant to a noxious agent or process, especially a pathogen or infectious disease. Immunity may occur naturally or be produced by prior exposure or immunization.
IMMUNITY中文(简体)翻译：剑桥词典 - Cambridge Dictionary
noun [ U ] uk / ɪˈmjuː.nə.ti / us / ɪˈmjuː.nə.t̬i / Add to word list. a situation in which you are protected against disease or from legal action. 免疫;免除;豁免. The vaccination gives you …
Immunity Definition & Meaning - Merriam-Webster
2012年11月8日 · The immune system is what protects your body from diseases and infections. It's the bodily system that produces the immune response to defend your body from foreign substances, cells, and tissues. The immune system includes various parts of the body including the thymus, spleen, lymph nodes, special deposits of lymphoid tissue (such as those in ...
Types of Immunity - Children's Hospital of Philadelphia
Two types of immunity exist — active and passive: Active immunity occurs when our own immune system is responsible for protecting us from a pathogen. Passive immunity occurs when we are protected from a pathogen by immunity gained from someone else. Both of these different types of immunity can be acquired in different ways.
In brief: How does the immune system work?
2023年6月6日 · The immune system has a vital role: It protects your body from harmful substances, germs and cell changes that could make you ill. It is made up of various organs, cells and proteins. As long as your immune system is running smoothly, you don’t notice that it’s there.
Natural Immunity: What to Know - WebMD
2024年3月8日 · 6 min read. Your immune system defends your body against infections and illnesses. It makes proteins called antibodies that counteract or kill germs, like viruses and bacteria. You get protection,...
In brief: The innate and adaptive immune systems
2023年8月14日 · The immune system fights germs on the skin, in the tissues of the body, and in bodily fluids such as blood. It is made up of the innate (general) immune system and the adaptive (specialized) immune system. These two systems work …
IMMUNITY | English meaning - Cambridge Dictionary
noun [ U ] us / ɪˈmju·nɪ·t̬i / Add to word list. biology. protection against a particular disease or illness by particular substances in the blood. law Immunity is also the condition of being …
Immunity In Depth | Linus Pauling Institute | Oregon State …
It is a complex and integrated system of cells, tissues, and organs that has specialized roles in defending against foreign substances and pathogenic microorganisms, including bacteria, viruses, and fungi. The immune system also functions to guard against the development of cancer.
11.1C: Overview of the Immune System - Biology LibreTexts
2022年12月24日 · To function properly, an immune system must detect a wide variety of agents, from viruses to parasitic worms, and distinguish them from the organism’s own healthy tissue. Pathogens can rapidly evolve and adapt to avoid detection and neutralization by …