blood extravasation

English Thesaurus

1. the leakage of blood from a vessel into tissues surrounding it; can occur in injuries or burns or allergic reactions (noun.state)

hypernym	:	extravasation,
definition	:	the process of exuding or passing out of a vessel into surrounding tissues; said of blood or lymph or urine (noun.process)

hypernym	:	bleeding, haemorrhage, hemorrhage,
definition	:	the flow of blood from a ruptured blood vessel (noun.state)