cell signalling and nervous system LATER
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13 Terms
what do schwann cells do
support nerve regeneration
what happens when axon is cut?
the cut part degenerates and is phagocytosed by schwann cells
phagocytosis
the process of a phagocytic cell ingesting another (usually bacteria)
regeneration tube
formed during neuroregeneration, acts as a guidance track for the regenerating axon.
formed by schwann cells
neurotrophins
secreted by schwann cells to promote axon regeneration
what happens to neuroregeneration in the central nervous system?
gets prevented by inhibitory proteins at the surface of myelin sheaths
glial scar
forms in central nervous system to further prevent axon repair
what is neuroglia made up of
microglia
microglia
main form of immune defense in central nervous system
detects sites of infection or damage
microglia’s origin
has a distinct embryonic origin from other types of neuroglia
what type of cells are microglia?
myeloid cells
synaptic pruning
brain getting rid of extra sypnases that are not needed
microglia are involved
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