Glial
/ˈɡlaɪ.əl/noun
Relating to glia, the non-neuronal cells that support, protect, and regulate neurons in the nervous system.
Did you know?The term reflects an old belief that glial cells were merely biological glue, but modern neuroscience shows they actively regulate neural signaling, immunity, and brain repair.
Etymological Timeline
Proto-Indo-European
PIE
*gley-
“To stick, smear, or form a cohesive substance”
Ancient Greek
Greek
γλοία (gloía)
“Glue or a sticky substance”
19th Century
Neo-Latin
glia
“Glue; adopted as a term for the supporting substance of nervous tissue”
1856
German
Neuroglia
““Nerve glue,” a term introduced by Rudolf Virchow for the tissue surrounding nerve cells”
19th Century
English
glial
“Relating to neuroglia or glia”
Modern English
English
glial
“Relating to glia and its many specialized supporting cells in the nervous system”
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