09-Nervous System: Neuroglia
What neuroglia cells are phagocytic cells?
Microglia
What neuroglia cells provide immune defense for CNS nervous tissue?
Microglia
What neuroglia cells remove waste products, cell debris, and pathogens?
Microglia
What neuroglia cells are the myelination of CNS axons?
Oligodendrocytes
What neuroglia cells proved structural support for CNS neurons?
Oligodendrocytes
What neuroglia cells surround neuron cell bodies within ganglia?
Satellite cells
__________ cells repeatedly wrap their plasma membrane around the axon (20-40 layer thick).
Schwann
What neuroglia cells are analagous to a CNS oligodendryocyte?
Schwann cells
What neuroglia cells ensheath axons in the PNS?
Schwann cells
What neuroglia cells are analagous to a CNS astrocyte?
satellite cells
What are the functions of ependymal cells?
-Line the ventricles of the brain and the central canal of the spinal cord (CSF). -Produce cerebrospinal fluid (CSF) -circulate CSF -monitor CSF composition
What are the 2 types of neuroglia cells of the PNS?
-Satellite cells -Schwann cells
What are the four neuroglia of the CNS?
1. ependymal cells 2. astrocytes 3. oligodendrocytes 4. microglia
What neuroglia cells are the largest and most numerous?
Astrocytes
What neuroglia cells form scar tissue following damage to neural tissue?
Astrocytes
What neuroglia cells maintain blood-brain barrier?
Astrocytes
What neuroglia cells have slender, branched processes (like dendrites) that communicate with surrounding neurons?
Ependymal cells
What neuroglia cells line cerebrospinal fluid-filled cavities?
Ependymal cells
What neuroglia cells produce and circulate cerebrospinal fluid?
Ependymal cells
True/False Ependymal cells are atypical epithelial cells
true
True/false Ependymal cells are simple cuboidal-to-columnar
true