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If the pathogens are able to get past the first line of defence, for example, through a cut in your skin, and an infection develops, the second line of defence becomes active. Through a sequence of steps called the immune response, the immune system attacks these pathogens.
Acute-phase proteins are primarily produced in the liver and secreted into the blood in response to inflammatory molecules from the immune system. Examples of acute-phase proteins include C-reactive protein, serum amyloid A, ferritin, transferrin, fibrinogen, and mannose-binding lectin.
29 Ιουλ 2022 · Different internal defense includes phagocytosis, NK cells, inflammatory response, fever, and the complement system in the second line of defense. Different cytokines are released by immune cells as well as infected cells which amplify the quantity of cytokine secretion.
10 Απρ 2024 · The second line of defense, also known as the innate immune system, involves non-specific immune responses that target a wide range of pathogens. It includes immune cells like phagocytes, natural killer cells , complement proteins, and the inflammatory response.
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20 Σεπ 2021 · The second line of defense is an internal defense system designed to counter pathogenic threats that bypass the physical and chemical barriers of the body. 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 ...
Here we understand the second line of defense in a simplified, structured manner. This is the summary chart of second line of defense: 1. Defensive cells. 2. Defensive proteins. 3. Other coordinated responses like inflammation and associated fever. 1. Defensive cells.
