Glossary

cytotoxic Harmful to cells.

diuresis Increased removal of water.

edema The excessive accumulation of fluid in tissue.

ependyma The thin membrane that lines the ventricles of the brain.

extravasation The leakage and spread of fluid from vessels into the surrounding tissues.

herniation The abnormal protrusion of tissue that results in compression of neighboring structures.

interstitium The small tissue space between structural elements.

osmolarity The concentration of a molecule dispersed in a fluid.

osmole A molecule dissolved in a fluid.

parenchyma The functional part of an organ.

pinocytosis A cellular transport mechanism that functions through cytoplasmic engulfment of fluid.

transudation The passage of a fluid through a membrane.

vasogenic Resulting from changes in blood vessels.

Cerebral edema is a heterogeneous condition defined as the volumetric increase in brain tissue resulting from the accumulation of water. Elements of cerebral edema form integral components of the pathophysiology of many neurologic diseases.

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