Bruise

Bruising. A bruise is a limited accumulation of blood in soft tissues that occurs as a result of vascular damage. At the same time, erythrocytes (red blood cells) penetrate into neighboring tissues, the hemoglobin of which, after decay, colors them blue. Blood from burst and ruptured capillaries accumulates in a certain place, spreading to a depth of 2 mm to 6 cm. But bruises are not always colored blue: if the blood is mixed with the white tissues of the skin (due to increased blood flow), it remains