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Patho

Pathophysiology Lecture 4 Exam 1

QuestionAnswer
What are two other names for the Cell body? Perikaryson adn Soma
What are some characteristics of multipolar neurons? Most common in the body (99.5%). It has several dendrites and makes the cell body star shaped.
What are some characteristics of a bipolar neuron? It has two process, 1 dendrite and 1 axon, and its cell body is an oval, tear shape. It is rare in the body and located in the retina, nasal olfactory epithelium, vestibular and cochlear ganglia.
What are some characteristics of a pseudounipolar neuron? It has one process and it splits, round cell body, and it a sensory ganglia ( dorsal root, cranial nerve)
What does an Astrocyte do? It is a component of the Blood Brain Barrier and it wraps and protects the neuron.
What does a Microglial cell do? It is an immune cell, phagocytosis
What do Schwann Cells do? They form the myelin sheath and are only found in the PNS.
What do Ependymal Cells do? line ventricles and choroid plexuses of the brain
What do Oligodendrocytes do? They form myelin sheath in the CNS
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