Nerve Cells Review
Flashcard
•
Biology
•
12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
Neuroglial cells that form the fatty myelin sheath on neurons in the CNS are ___________ in the PNS are ________________?
Back
Oligodendroglia in the CNS and Schwann cells in the PNS.
2.
FLASHCARD QUESTION
Front
What is myelin?
Back
Myelin is an insulating material found in Schwann cells that surrounds axons to increase the speed of nerve impulse transmission.
3.
FLASHCARD QUESTION
Front
What is the primary function of axons?
Back
Axons take information away from the neuron to other neurons or muscles.
4.
FLASHCARD QUESTION
Front
What type of neuron is characterized by two processes extending from the cell body?
Back
Bipolar Neuron.
5.
FLASHCARD QUESTION
Front
In which direction does an impulse typically run in a neuron?
Back
An impulse runs from the dendrites, through the cell body, and down the axon.
6.
FLASHCARD QUESTION
Front
What are the two main types of glial cells in the nervous system?
Back
Astrocytes and oligodendrocytes.
7.
FLASHCARD QUESTION
Front
What is the role of Schwann cells?
Back
Schwann cells form the myelin sheath around peripheral nerves.
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