GENERAL HISTOLOGY

Detailed explanation-1: -There are two types of inflammation: Acute inflammation: The response to sudden body damage, such as cutting your finger. To heal the cut, your body sends inflammatory cells to the injury. These cells start the healing process.

Detailed explanation-2: -Causes of an inflammation Pathogens (germs) like bacteria, viruses or fungi. External injuries like scrapes or damage through foreign objects (for example a thorn in your finger) Effects of chemicals or radiation.

Detailed explanation-3: -Inflammation is the second stage of wound healing and begins right after the injury when the injured blood vessels leak transudate (made of water, salt, and protein) causing localized swelling. Inflammation both controls bleeding and prevents infection.

Detailed explanation-4: -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.