heteropyknosis
noun
het·ero·pyk·no·sis
variants:
also heteropycnosis \ ˌhet-ə-rō-pik-ˈnō-səs 
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Medical Definition of heteropyknosis
: 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
Other Words from heteropyknosis
heteropyknotic
also heteropycnotic \ -ˈnät-ik
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adjective
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adjective