in contusions, fissures, depressions, fractures, and other accidents of the cranium, is when one or more of the blood-vessels, that are distributed Extreme flibuted in the dura mater, is broken or divided, whereby there is such a discharge of blood as greatly oppresses the brain, and disturbs its offices; frequently bringing on violent pains and other mischiefs; and at length death itself, unless the patient is timely relieved. See Surgery and Medicine Index.