Naural Tissue 2 Flashcards
(19 cards)
What type of myelin is only in the PNS?
Myelin protein zero
What are the areas of retained cytoplasm called
Schmidt Lanterman’s cleft
What myelin is key in the CNS?
Proteolipid protein
What myelin is in both CNS and PNS
Myelin basic protein
Which demyelinating disease is caused by a perixisomal disorder
Adrenoleukodystrophy
What demyelinating disease involves a mutation in the proteolipid protein gene
Pelizaeus Merzbacher
What demyelinating disease is caused by JC virus?
Progressive multifocal leukoencephalopathy
What demyelinating disease is also an autoimmune inflammatory disease
Multiple sclerosis
What are the two types of astrocytes and what makes them different
Fibrous astrocytes - white matter
Protoplasmic astrocytes - gray matter
Components of BBB
Astrocytic processes
Endothelium
Basal lamina
HIV infects what type of cells in the CNS
Microglial cells
What cells express MHCII, are antigen presenting cells, and can recruit WBCs across the BBB
Microglia
What cells line the cavities of the CNS
Ependymal cells
What makes CSF
Choroid plexus
How is the choroid plexus formed
Ependymal cells in ventricles contact blood vessels of pia mater
Most common tumor
Astrocytomas
Most common pediatric brain tumor
Medulloblastoma
Another name for anterograde degeneration
Wallerian
Retrograde degeneration causes swelling of neuron cell body, called
Chromatolysis
