Medical Dictionary

pyknosis

noun pyk·no·sis
variants: also pycnosis play \pik-ˈnō-səs\

medical Definition of pyknosis

plural pyknoses also pycnoses play \-ˌsēz\
:a degenerative condition of a cell nucleus marked by clumping of the chromosomes, hyperchromatism, and shrinking of the nucleus

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