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karyosome

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karyosome /karyo·some/ (kar´e-o-sōm″) any of the condensed irregular clumps of chromatin dispersed in the chromatin network of a cell.
kar·y·o·some (kr--sm)
n.
An aggregation of chromatin in the nucleus of a cell not undergoing mitosis.

karyosome
[ker′ē·əsōm′]
Etymology: Gk, karyon + soma, body
a dense, irregular mass of chromatin filaments in a cell nucleus. It is often seen during interphase and may be confused with the nucleolus because of similar staining properties. Also called chromatin nucleolus, chromocenter, false nucleolus, prochromosome.

karyosome
any aggregation of chromatin within a cell.


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When the case was referred to the parasitology laboratory (Infectious Diseases Department, Pavia University Hospital), a definitive diagnosis of PAM was made on the basis of morphology of amebic trophozoites, which exhibited a conspicuous karyosome, a vacuolated cytoplasm, and a mean diameter of 10 [micro]m to 12 gm.
 
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