PNB 2274 Exam 4 Study Guide with Complete Solutions
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Course
PNB 2274
Institution
PNB 2274
PNB 2274 Exam 4 Study Guide with
Complete Solutions
Neurons - Ans:--Send and receive electrical and chemical signals
-Excitable
Neuroglia/glial cells - Ans:--Support and protect neurons
-May be involved in signal transduction
Neuron characteristics - Ans:--High metabolic rate
-Extreme longev...
Which neural cells develop first and what cells develop them? - Ans:✔✔--Glial cells
-Astrocytes
Choroid plexus - Ans:✔✔-Branching network of mostly ependymal cells that produces cerebrospinal fluid
in brain ventricles
Ependymal cells - Ans:✔✔--Ciliated cuboidal epithelial cells lining the brain ventricles and the central
canal of the spinal cord
-Produce cerebral spinal fluid (CSF) and make up the choroid plexus
-Share characteristics with stem cells
Microglial cells - Ans:✔✔--Small and motile
-Use phagocytosis to remove cell waste
Oligodendrocytes - Ans:✔✔--Only located in the CNS
-Wrap around axons and produce myelin
-Only glial cells that can synapse with neurons
What are oligodendrocytes called when they form synapses with neurons? - Ans:✔✔-Progenitor cells
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