1a : the act or action of grasping with the intellect : understanding children who have difficulty with comprehension of spoken language What the artist actually needs is comprehension of his aims and ideals by men he respects â¦ â H. L. Menckenb : knowledge gained by comprehending tests that measure the students' comprehension in math She carried on ...
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.
Whenever there is a break in the continuity of the skin or an insect bite, there is release of histamine which causes swelling with bruising. Thus explaining the symptoms that you are having. Any injury or insect bite or any animal bite will produce the 4 cardinal signs of inflammation: Rubor - Redness.