Video: Novel Regulatory Role of Redox Signaling for Leukocyte Recruitment to Injury Sites

In science, the amount of a substance, such as a salt, that is in a certain amount of tissue or liquid, such as blood. A substance becomes more concentrated when less water is present. For example, the salt in urine may become more concentrated when a person doesn’t drink enough water.

A chemical used in bleaches, dyes, cleansers, antiseptics, and disinfectants. In a concentrated form, it is toxic and irritating to tissues.

A break in the skin or other body tissues caused by injury or surgical incision (cut).