Inflammatory response

Definition

The inflammatory response is the body's immediate reaction to injury or infection, characterized by redness, heat, swelling, and pain. It involves a complex interaction of immune cells, signaling molecules, and blood vessels to eliminate the cause of injury and initiate tissue repair.

5 Must Know Facts For Your Next Test

1. The inflammatory response is a key component of innate immunity.
2. Cytokines play a crucial role in mediating inflammation.
3. Anti-inflammatory drugs aim to reduce or inhibit various stages of the inflammatory response.
4. Chronic inflammation can lead to several diseases including arthritis and cardiovascular diseases.
5. Corticosteroids are commonly used anti-inflammatory medications that suppress immune responses.

Review Questions

• What are the four primary signs of inflammation?
• Which class of drugs is commonly used to treat chronic inflammation?
• How do cytokines contribute to the inflammatory response?

Related terms

Cytokines:

Proteins secreted by cells that affect the behavior of other cells and play a key role in immune responses.

Corticosteroids:

A class of steroid hormones that reduce inflammation by suppressing immune system activity.

Innate Immunity:

The first line of defense against pathogens, providing an immediate but non-specific response.