Definition of astrocyte in US English:



  • A star-shaped glial cell of the central nervous system.

    • ‘They observed both neurons and astrocytes, the two types of cells into which the brain stem cells mature.’
    • ‘Mercury accumulates in the central nervous system primarily in astrocytes, the cells that provide the first line of defense for the central nervous system against toxic compounds.’
    • ‘Once inside the brain or spinal cord, neural progenitor cells grow into neuron-supporting stem cells called astrocytes.’
    • ‘They successfully grew skin cells, smooth muscle cells, neurons and other nerve cells known as astrocytes and oligodendrocytes, and pigment producing cells called melanocytes, Reuters reports.’
    • ‘His work has established the inhibitory role astrocytes can play in preventing central nervous system regeneration.’