In MD, muscle tissue is replaced with which tissues?

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Prepare for the Muscular Dystrophy Test with comprehensive flashcards and multiple-choice questions. Access detailed hints and explanations for each question to enhance your study experience. Equip yourself for success on your upcoming exam!

Multiple Choice

In MD, muscle tissue is replaced with which tissues?

Explanation:
In muscular dystrophy, muscle fibers gradually degenerate and are replaced by fibrous connective tissue and fat. This fibrofatty replacement disrupts the normal architecture and contractile function of the muscle, leading to progressive weakness. Replacing muscle with nerve tissue, cartilage, or bone does not occur in this condition, whereas fibrous tissue and fat buildup is a hallmark feature that explains both the weakness and, in some forms, pseudohypertrophy where the limb appears enlarged due to fat and connective tissue accumulation.

In muscular dystrophy, muscle fibers gradually degenerate and are replaced by fibrous connective tissue and fat. This fibrofatty replacement disrupts the normal architecture and contractile function of the muscle, leading to progressive weakness. Replacing muscle with nerve tissue, cartilage, or bone does not occur in this condition, whereas fibrous tissue and fat buildup is a hallmark feature that explains both the weakness and, in some forms, pseudohypertrophy where the limb appears enlarged due to fat and connective tissue accumulation.

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