Innate immunity is nonspecific and present at birth.
- Invaders including viruses, bacteria, parasites, and poisons, as well as injuries or trauma, are first detected by the body's innate immune system.
- The innate immune system triggers cells to attack and eliminate the outsider or to start repair upon detection of these agents or events.
- It also informs and modifies the adaptive immune response, which follows this first line of defense.
- Innate immunity, also known as nonspecific immunity, is the defense mechanism you were born with.
- Unlike adaptive immune responses, which are tailored to a specific pathogen, innate immune responses are not.
- They rely on a collection of proteins and phagocytic cells, which can quickly activate in response to pathogen recognition and assist annihilate intruders.
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