from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The supportive tissue of the nervous system, including the network of branched cells in the central nervous system (astrocytes, microglia, and oligodendrocytes) and the supporting cells of the peripheral nervous system (neurilemma and satellite cells). Also called glia.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. glial cell
from the GNU version of the Collaborative International Dictionary of English
- n. The delicate connective tissue framework which supports the nervous matter and blood vessels of the brain and spinal cord; called also Kölliker's reticulum. It is composed of cells which are not neurons. Once thought to serve merely a supporting funciton, they are now believed to have important metablolic functions. Among them are the astrocytes, ependymal cells, oligodendroglia cells, and microglia cells.
from The Century Dictionary and Cyclopedia
- n. The peculiar sustentacular tissue of the cerebrospinal axis.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. sustentacular tissue that surrounds and supports neurons in the central nervous system; glial and neural cells together compose the tissue of the central nervous system
neuro- + Medieval Greek glia, glue; see zooglea.(American Heritage® Dictionary of the English Language, Fourth Edition)
neuro- + glia (Wiktionary)