pyknocyte

plural pyknocytes

1. A distorted, contracted or otherwise malformed red blood cell.

   1 more example

   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 spontaneously disappear (at an average age of 4–6 months).

   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, volume 3, →DOI