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Medical Definition of Drumstick appendage
1. An appendage of the nucleus that represents the inactive heterochromatic X chromosome seen in 3% of the neutrophil leukocytes of human females. See: sex chromatin, lyonization. (05 Mar 2000)
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1. An appendage of the nucleus that represents the inactive heterochromatic X chromosome seen in 3% of the neutrophil leukocytes of human females. See: sex chromatin, lyonization. (05 Mar 2000)