hematoma

https://doi.org/10.1351/goldbook.11803
Region of bleeding into a tissue or organ.
Notes:
  1. Often a result of trauma, defective blood clotting or drugs that suppress blood clotting.
  2. Hematoma of the brain is a common cause of stroke and is accompanied by potentially lethal increase of intracranial pressure and neuronal damage.
Source:
PAC, 2015, 87, 841. (IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)) on page 872 [Terms] [Paper]