Innate Immune System

Front

What is the innate immune system?

Back

The innate immune system is the body's first line of defense against pathogens, providing a rapid, non-specific response to infections.

Front

What are the main components of the innate immune system?

Back

The main components include physical barriers (like skin and mucous membranes), immune cells (such as macrophages and neutrophils), and various proteins (like cytokines and complement proteins).

Front

What is the role of macrophages in the innate immune system?

Back

Macrophages are immune cells that engulf and digest pathogens through a process called phagocytosis.

Front

What is phagocytosis?

Back

Phagocytosis is the process by which certain cells, like macrophages and neutrophils, surround, engulf, and digest pathogens.

Front

What is the function of neutrophils?

Back

Neutrophils are a type of white blood cell that respond quickly to infections, engulfing and destroying pathogens.

Front

What are cytokines?

Back

Cytokines are signaling proteins released by immune cells that help regulate the immune response and communicate between cells.

Front

What is the difference between innate and adaptive immunity?

Back

Innate immunity is non-specific and immediate, while adaptive immunity is specific and develops over time after exposure to pathogens.

Front

What is the role of the mucous lining in the innate immune system?

Back

The mucous lining traps pathogens and particles, preventing them from entering the body and facilitating their removal.

Front

What are goblet cells?

Back

Goblet cells are specialized epithelial cells that produce mucus, which helps trap pathogens and keep surfaces moist.

Front

What is the significance of skin in the innate immune system?

Back

Skin acts as a physical barrier to prevent pathogens from entering the body and contains antimicrobial substances.