Give scientific term for a condition when the muscle's deteriorate and the person becomes an invalid.

Explanation

**Step-by-Step Solution:**

1. **Identify the Condition**: The question asks for a scientific term related to the deterioration of muscles that results in a person becoming an invalid.

2. **Recall the Term**: The scientific term for this condition is "muscular dystrophy."

3. **Define Muscular Dystrophy**: Muscular dystrophy is a genetic disorder characterized by progressive weakness and degeneration of the skeletal muscles, which can lead to significant physical disability.

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