drumstick appendage

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drum·stick ap·pend·age

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.
Farlex Partner Medical Dictionary © Farlex 2012
A mass of X chromatin attached to a lobe of a neutrophil
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.