A Reason That the Axons in the CNS and PNS

question 80

Multiple Choice

A reason that the axons in the CNS and PNS differ in their ability to regenerate after injury is that

• A)axons of the CNS lack myelin.
• B)axons of the CNS lack neurilemmae.
• C)peripheral nerves lack Schwann cells.
• D)peripheral nerves lack endoneurium.

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Definitions:

Left Hemisphere

The left side of the human brain, often associated with analytical thought, logic, language, and processing of serial sequences.

Suprachiasmatic Nucleus

A part of the brain located in the hypothalamus, responsible for controlling circadian rhythms.

Circadian Rhythm

The biological clock that regulates sleep-wake cycles and other physiological processes in a roughly 24-hour cycle.

Born Blind

The condition of lacking visual perception from birth due to biological or genetic factors.