noun
- supportive tissue in the brain and spinal cord composed of cells that surround and protect neurons
Usage: also called glial cells or neuroglia; technical/scientific term
Examples
- Glia makes up about half the cells in the human brain.
- The glia provides structural support and insulation for neurons.
- Astrocytes are a type of glia that help regulate the brain's chemical environment.
- Damage to glia can impair communication between nerve cells.
- Scientists study glia to better understand neurological diseases.