The term___________ means increase in development (size) of an organ or tissue.
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The term___________ means muscles degenerate (paralysis occurs) owing to degeneration of nerves in the spinal cord and lower region of the brain; Lou Gehrig disease.
The term___________ means loss of strength of muscles (often with paralysis) because of a defect at the connection between the nerve and the muscle cell.
长度为 0 的不包含任何字符的串称为()串。一个或多个空格组成的串称为()串