And as a practical matter, it doesn't really clarify the pronunciation of Nguyen unless one knows which English pronunciation of ng you're referring to. I'm just teasing with this pedantry, of course; I understood what you meant. But then, I already knew how to pronounce Nguyen.
What are bruises? Bruises are bluish or purple-coloured patches that appear on the skin when tiny blood vessels, called capillaries, break or burst underneath. The blood from the capillaries leaks into the soft tissue under your skin, causing the discolouration.
Bruises are usually black or blue marks on the skin that appear after a bump or injury. Blood from damaged blood vessels beneath the skin collects near the surface of the skin resulting in the appearance of bruising. As well as accidents and bumps, causes of bruises include: Bruises can occur in some people who exercise rigorously such as athletes and weightlifters. These bruises result from microscopic tears in blood vessels under the skin.