What is the Latin term for the redness associated with inflammation?

The term "rubor" is derived from Latin and specifically refers to the redness that occurs as part of the inflammatory response. This redness is a result of increased blood flow to the affected area, which brings more oxygen and immune cells that are vital for the healing process. The phenomenon of increased blood flow is essential for combating infection and initiating tissue repair, making "rubor" a key aspect of inflammation.

The other terms relate to different characteristics of inflammation: "calor" denotes heat, which is also caused by the increased blood flow; "dolor" signifies pain, reflecting the irritation of nerves during inflammation; and "flamma," though less frequently used in this context, generally refers to flame or fire, and does not specifically relate to the signs of inflammation. Understanding these terms is foundational in the study of inflammatory processes and pathology.