Aug 14, 2023 · The innate immune system is the body's first line of defense against intruders. It responds in the same way to all germs and foreign substances, which is why it is sometimes …

The innate immune system or nonspecific immune system[1] is one of the two main immunity strategies in vertebrates (the other being the adaptive immune system).

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 …

Oct 22, 2025 · The immune system is a group of defense responses found in humans and other advanced vertebrates that helps repel disease-causing entities. Immunity from disease is …

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 …

Our innate immune system is almost fully developed when we are born, unlike the adaptive immune system, which develops later and grows with us as we age and encounter new …

Innate (natural) immunity is so named because it is present at birth and does not have to be learned through exposure to an invader. It thus provides an immediate response to foreign …

When pathogens enter the body, the innate immune system responds with a variety of internal defenses. These include the inflammatory response, phagocytosis, natural killer cells, and the …

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 …

Jun 17, 2025 · This topic will review the cells, proteins, and receptors that comprise the innate immune system, the functional differences between innate and acquired immune responses, …