Macrophages "catch" pathogens through a process called phagocytosis. Here's a step-by-step explanation:

1. Detection: Macrophages have receptors on their surface that can recognize and bind to molecules on the surface of pathogens. These molecules are often unique to pathogens and not found on healthy body cells.

2. Attachment: Once the macrophage detects a pathogen, it attaches to it. The binding of the pathogen to the macrophage's receptors signals the macrophage to start the process of phagocytosis.

3. Engulfment: The macrophage engulfs the pathogen by extending its cell membrane around it. This forms a vesicle, known as a phagosome, which contains the pathogen.

4. Digestion: The phagosome then fuses with a lysosome, a small organelle within the macrophage that contains digestive enzymes. These enzymes break down the pathogen into its basic components.

5. Elimination: The digested materials are then eliminated from the macrophage, leaving the pathogen destroyed and unable to cause infection.

This process allows macrophages to effectively "catch" and destroy pathogens, playing a crucial role in the body's immune response.

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Macrophages "catch" pathogens through a process called phagocytosis. Here's a step-by-step explanation:

1. Detection: Macrophages have receptors on their surface that can recognize and bind to molecules on the surface of pathogens. These molecules are often unique to pathogens and not found on healthy body cells.

2. Attachment: Once the macrophage detects a pathogen, it attaches to it. The binding of the pathogen to the macrophage's receptors signals the macrophage to start the process of phagocytosis.

3. Engulfment: The macrophage engulfs the pathogen by extending its cell membrane around it. This forms a vesicle, known as a phagosome, which contains the pathogen.

4. Digestion: The phagosome then fuses with a lysosome, a small organelle within the macrophage that contains digestive enzymes. These enzymes break down the pathogen into its basic components.

5. Elimination: The digested materials are then eliminated from the macrophage, leaving the pathogen destroyed and unable to cause infection.

This process allows macrophages to effectively "catch" and destroy pathogens, playing a crucial role in the body's immune response.

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Macrophages "catch" pathogens through a process called phagocytosis. Here's a step-by-step explanation:

1. Detection: Macrophages have receptors on their surface that can recognize and bind to molecules on the surface of pathogens. These molecules are often unique to pathogens and not found on healthy body cells.

2. Attachment: Once the macrophage detects a pathogen, it attaches to it. The binding of the pathogen to the macrophage's receptors signals the macrophage to start the process of phagocytosis.

3. Engulfment: The macrophage engulfs the pathogen by extending its cell membrane around it. This forms a vesicle, known as a phagosome, which contains the pathogen.

4. Digestion: The phagosome then fuses with a lysosome, a small organelle within the macrophage that contains digestive enzymes. These enzymes break down the pathogen into its basic components.

5. Elimination: The digested materials are then eliminated from the macrophage, leaving the pathogen destroyed and unable to cause infection.

This process allows macrophages to effectively "catch" and destroy pathogens, playing a crucial role in the body's immune response.

How do macrophages "catch" pathogens?

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