(Science: physiology) The escape of blood from the vessels, bleeding.
small haemorrhages are classified according to size as petechiae (very small), purpura (up to 1 cm) and ecchymoses (larger). The massive accumulation of blood within a tissue is called a haematoma.
Origin: gr. Rhegnynai = to burst forth
flow of blood from a ruptured blood vessels.The discharge of blood corpuscles from their normal route in the blood Circulatory System, caused by wounds and diseases.