bruise true bruises symptoms Bruise is a skin and integumentary tissue symptom characterized as an injury transmitted through unbroken skin to underlying tissue causing rupture of small blood vessels and escape of blood into the tissue with resulting discoloration. contusion https://www.epilepsy.com/learn/seizure-first-aid-and-safety/staying-safe/types-injuries bruising SYMP:0000406 ecchymosis skin and integumentary tissue symptom