hematoma

n. an abnormal accumulation of blood as a result of vessel leakage or rupture. In the brain, hematomas can cause substantial behavioral deficits, and even death, by increasing intracranial pressure. Although some may spontaneously reabsorb and disappear, others must be surgically evacuated. See epidural hematoma; subdural hematoma.

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Psychology term of the day

December 19th 2024

spirograph

n. an instrument for measuring and recording breath rate and volume.