pyknocytes

Noun

pyknocyte (plural pyknocytes)

1. A distorted, contracted or otherwise malformed red blood cell.
   • Infantile pyknocytosis is diagnosed only by careful analysis of peripheral blood smear, which reveals numerous small irregular and contracted red blood cells with hyper-dense spikes (the pyknocytes), that progressively increase in number to peak at approximately 3–6 weeks postnatal age, and then...2015 May 8, Mohamad El Nabouch et al., “Infantile pyknocytosis, a rare cause of hemolytic anemia in newborns: report of two cases in twin girls and literature overview”, in Clinical Case Reports...