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7 Cards in this Set

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what are Astrocytes? what do they do?
Perhaps the largest class of glia cells in the CNS. They undertake a variety of functions that include metabolic and structural support of neurons, re-uptake of ions (e.g., K+), produced scar tissue, and serve in part as a blood-brain barrier.
what are Oligodendrocytes? what do they do?
Form the myelin of CNS axons.
what are Microglia?
small glia cells that are rarely encountered in normal brain tissue.
Ependyma
Specialized glia that line the ventricles of the brain. They clearly served as a barrier between spinal fluid and the brain
Endoneurium
endoneurium is a reinforcing sheath of delicate tissue that surrounds individual peripheral nerve fibers(axons).
Perineurium
outermost layers of the perineurium are composed of dense concentric layers of mostly longitudinal arranges strands of collagen
Epineurium
This layer forms the dense external connective tissue layer for all peripheral nerve trunks. It is composed mostly of collagen and is continuous