Contusion -

: These are deeper and more serious than muscle bruises, often taking months to heal and potentially leading to fractures if not rested. 2. The Science of the "Stain"

A contusion occurs when blunt force ruptures tiny blood vessels (capillaries) while keeping the skin intact. contusion

: Interestingly, the bruise may not stay where the impact happened. Gravity can pull the escaped blood downward, meaning a hip injury might cause bruising to appear around your ankle days later. 3. Rare but Remarkable: The "53-Year-Old" Bruise Pulmonary contusion - Rendeki - Journal of Thoracic Disease : These are deeper and more serious than

Most people think of a purple mark on the skin, but contusions can occur in almost any tissue: : Interestingly, the bruise may not stay where

: The "rainbow" of colors you see—red, blue, purple, green, and yellow—is the result of your immune system breaking down escaped blood.

: Often seen in car accidents or high-impact sports, these can occur even without broken ribs. They are dangerous because they interfere with oxygen exchange and can lead to life-threatening pneumonia if not managed.