Areas of a Myelinated Axon That Are Not Covered by Myelin

question 106

Multiple Choice

Areas of a myelinated axon that are not covered by myelin are called ________.

• A) internodes
• B) nodes
• C) gray matter
• D) white matter
• E) All of the answers are correct.

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Definitions:

Neurotransmitters

Chemical messengers that transmit signals across a chemical synapse from one neuron to another 'target' neuron, muscle cell, or gland cell.

Neuron

The essential component of the nervous system, a nerve cell, is tasked with the transmission of information within the body.

SIDS (Sudden Infant Death Syndrome)

The sudden and unexplained death of a seemingly healthy baby, usually during sleep, in the first year of life.

Medulla

The inner region of an organ or tissue, or specifically the lower part of the brainstem that controls vital functions such as heart rate and breathing.