Primary lateral sclerosis is a disease that affects the body's ability to react to stimuli and causes a person to have difficulty moving the legs, body trunk, arms, hands, and face.Which specialized cells are most affected by this disease?

Primary lateral sclerosis primarily damages motor neurons, the specialized nerve cells that control voluntary movement. This disrupts signals to muscles, causing difficulty moving the legs, trunk, arms, hands, and face. Of the choices, “muscle cells, neurons” includes the affected neurons; epithelial cells and hepatocytes are not involved.

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