The innate immune system is an alternate defense strategy and is the dominant immune system response found in plants, fungi, prokaryotes, and invertebrates (see § Beyond vertebrates).

The innate immune system is a subset of the human immune system that produces rapid, but non-specific responses to pathogens. Unlike the adaptive immune system, the innate system …

The innate immune system is essentially made up of barriers that aim to keep viruses, bacteria, parasites, and other foreign particles out of your body or limit their ability to spread and move …

Nov 29, 2025 · Immunity from disease is actually conferred by two cooperative defense systems, called nonspecific, innate immunity and specific, acquired (or adaptive) immunity. Nonspecific …

Apr 29, 2025 · Innate immunity serves as the body’s first line of defense against pathogens, offering a rapid response to invading microorganisms. Unlike adaptive immunity, which tailors …

Jan 25, 2021 · In contrast to adaptive immune responses, which take days to arise following exposure to antigens, innate immunity consists of the defenses against infection that are ready …

Aug 5, 2025 · Innate immunity is the body’s first line of defense. It is ancient, fast, and brutally efficient. From the moment you are born—and in fact, even before—you possess an inborn …

Using a combination of cellular and molecular responses, the innate immune system identifies the nature of a pathogen and responds with inflammation, phagocytosis, cytokine release, …

Dec 4, 2024 · Unlike some other parts of the immune response—such as antibodies, which take time for the body to make—the innate immune system is ready right away to fight any new …

Innate immunity, unlike acquired immunity, has no memory of the encounters, does not remember specific foreign antigens, and does not provide any ongoing protection against future infection.