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| www.inflammation2011.com |
Inflammation is a process in which the body's white blood cells and chemicals help protect us from infection and foreign substances such as bacteria and viruses. Inflammation is a protective response that serves to eliminate the initial cause of cell injury and to remove the consequences of such injury. The inflammatory process is closely intertwined with the process of repair.
In some diseases, however, the body's defense system (immune system) triggers an inflammatory response when there are no foreign substances to fight off.
In these diseases, called autoimmune diseases, the body's normally protective immune system causes damage to its own tissues. The body responds as if normal tissues are infected or somehow abnormal.
Types of Inflammation
Clinically, there are two main types of inflammation, active and chronic.
1. Active
(acute) inflammation occurs on the time scale of hours to days
and is characterized by the cardinal signs of inflammation; ie, redness
(rubor), swelling (tumor), heat (calor) and pain (dolor). Acute inflammation
represents an initial concentrated effort to eliminate an injurious agent.
2. Chronic inflammation occurs on the time scale of weeks to months and is characterized by the simultaneous presence of active inflammation, tissue destruction, and attempts at repair. Clinically, the process may be characterized by the loss of proper function of the tissue, but is often an asymptomatic, subclinical response.
2. Chronic inflammation occurs on the time scale of weeks to months and is characterized by the simultaneous presence of active inflammation, tissue destruction, and attempts at repair. Clinically, the process may be characterized by the loss of proper function of the tissue, but is often an asymptomatic, subclinical response.
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What Diseases Are Associated With Inflammation?
Some, but not all types of arthritis, are the result of misdirected inflammation.
Arthritis is a general term that describes inflammation in joints. Some types of
arthritis associated with inflammation include:
Arthritis is a general term that describes inflammation in joints. Some types of
arthritis associated with inflammation include:
-Rheumatoid arthritis
-Psoriatic arthritis
-Gouty arthritis
-Systemic lupus erythematosus
-Psoriatic arthritis
-Gouty arthritis
-Systemic lupus erythematosus
The most common form of arthritis called osteoarthritis (also known asdegenerative arthritis) is a bit of a misnomer. It is not believed thatinflammation plays a major role in osteoarthritis. Other painful conditions of
the joints and musculoskeletal system that are not associated with inflammation include;
-fibromyalgia,
-low back pain, and
-muscular neck pain.
the joints and musculoskeletal system that are not associated with inflammation include;
-fibromyalgia,
-low back pain, and
-muscular neck pain.
process of inflammation;;
INFLAMMATION
The inflammatory response (inflammation) occurs when tissues are injured by bacteria, trauma, toxins, heat, or any other cause. The damaged cells release chemicals including histamine, bradykinin, and prostaglandins.These chemicals cause blood vessels to leak fluid into the tissues, causing swelling. This helps isolate the foreign substance from further contact with body tissues.
The chemicals also attract white blood cells called phagocytes that "eat" germs and dead or damaged cells. (This process is called phagocytosis.) Phagocytes eventually die. Pus is formed from a collection of dead tissue, dead bacteria, and live and dead phagocytes.
(source)
sources;
courses.washington.edu
en.wikipedia.org
web.md
nlm.nif.org
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