Simplify: 3

question 426

Short Answer

Simplify: 3

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Definitions:

Multiple sclerosis

A chronic autoimmune disease that affects the central nervous system, leading to muscle weakness, coordination problems, and other symptoms.

Myelin sheaths

Myelin sheaths are protective coverings around nerve fibers in the brain and spinal cord, which help increase the speed at which electrical impulses are transmitted along the nerve cells.

Chromosome 21

One of the 23 pairs of chromosomes in humans, with an extra copy of chromosome 21 leading to Down syndrome, a genetic disorder.

Axons

Long, slender projections of nerve cells that transmit electrical impulses away from the neuron's cell body.