also  het*ero*pyc*no*sis  n :  the quality or state of some chromosomes or of parts of some chromosomes in a nucleus of taking up more stain and being more tightly coiled or of taking up less stain and being less tightly coiled than is usual - compare ISOPYKNOSIS  het*ero*pyk*not*ic also  het*ero*pyc*not*ic  adj 
 
 
 
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