Degeneration of Motor Neurons in the Brainstem and Spinal Cord

question 78

Multiple Choice

 Degeneration of motor neurons in the brainstem and spinal cord is characteristic of

• A) polio.
• B) amyotrophic lateral sclerosis.
• C) muscular dystrophy.
• D) myasthenia gravis.

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Definitions:

Dense Fibrous Connective

Tissue in the body composed of tightly packed collagen fibers, providing strength and rigidity to structures like tendons and ligaments.

Outpouching

A bulging or protrusion of a part of an organ or tissue.

Bony Fish

Fish that possess a skeleton primarily composed of bone tissue, as opposed to cartilage.

Dense Irregular Connective Tissue

A type of connective tissue with densely packed fibers arranged in a disorderly fashion, providing strength and flexibility to structures like the dermis.