单词 | duchenne muscular distrophy |
释义 | Duchenne muscular distrophyDuchenne muscular distrophya SEX LINKED human condition, in which a recessive gene on the short arm of the X-chromosome causes muscle wasting when present in a double dose in females or a single dose in HEMIZYGOUS males. Muscular deterioration begins between the ages of three and five, affecting mainly boys; by the teens affected individuals are wheelchair bound and death usually occurs in the early twenties due to cardiac and respiratory muscle failure. |
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