cystinotic leukocyte

cys·ti·not·ic leu·ko·cyte

a leukocyte having an enhanced content of cystine, found in patients with disorders characterized by the storage of cystine; within the leukocyte, the cystine, largely in noncrystalline form, is associated with dense lysosomal particles.
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2) showed that cystine accumulation in cystinotic leukocytes is located primarily in phagocytic blood cells rather than in lymphocytes.