The neuroglial cells that form a myelin sheath around axons are
A) the microglia.
B) the ependymal cells.
C) the Schwann cells.
D) the oligodendrocytes.
E) both the Schwann cells and the oligodendrocytes.
Correct Answer:
Verified
Q17: Axons
A) may branch to form collateral axons.
B)
Q18: Local potentials
A) are propagated down the length
Q19: Voltage - gated ion channels:
A) open in
Q20: If you are experiencing extreme frustration, your
Q21: Four mounds, found in the roof of
Q23: Spinal nerves
A) are organized into plexuses, except
Q24: A group of nuclei scattered throughout the
Q25: Chemical substances released from the presynaptic terminal
A)
Q26: Descending tracts
A) include the corticospinal tract.
B) contain
Q27: An action potential occurs
A) if the membrane
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