The four cardinal signs of inflammation—redness (Latin rubor), heat (calor), swelling (tumor), and pain (dolor)—were described in the 1st century ad by the Roman medical writer Aulus Cornelius Celsus.
Redness is caused by the dilation of small blood vessels in the area of injury.
What are the 5 classic signs of inflammation?
In the case of inflammation, there are five cardinal signs that characterize the condition: pain, heat, redness, swelling, and loss of function. Interestingly, inflammation is a biological process that your body uses to help protect you.
What are the causes of inflammation?
Several things can cause chronic inflammation, including:
- untreated causes of acute inflammation, such as an infection or injury.
- an autoimmune disorder, which involves your immune system mistakenly attacking healthy tissue.
- long-term exposure to irritants, such as industrial chemicals or polluted air.
What are the stages of inflammation?
The are three main stages of inflammation which can each vary in intensity and duration: Acute -swelling stage. Sub-acute – regenerative stage. Chronic – scar tissue maturation and remodelling stage.
What is inflammatory response?
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.