How Does a Bruise Happen

How Does a Bruise Happen

A bruise, also called a contusion (pronounced: kun-TOO-zhen), happens when a part of the body is injured and blood from the damaged capillaries (small blood vessels leaks out. With no place to go, the blood gets trapped under the skin, forming a red or purplish mark that’s tender when you touch it — a bruise.

What does a bruised person mean?

to offend or injure (someone’s feelings) by an insult, unkindness, etc. to damage the surface of (something), as by a blow.

What does a blood bruise look like?

Blood leaks into tissues under the skin and causes the black-and-blue color. As bruises (contusions) heal, usually within 2 to 4 weeks, they often turn colors, including purplish black, reddish blue, or yellowish green. Sometimes the area of the bruise spreads down the body in the direction of gravity.

Robert Thorne
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Robert Thorne

Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.