Also found in: Medical, Encyclopedia, Wikipedia.


 (skĭz′ŏnt′, skĭt′sŏnt′)
An apicomplexan cell formed by schizogony.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Microbiology) a cell formed from a trophozoite during the asexual stage of the life cycle of sporozoan protozoans, such as the malaria parasite
[C19: from schizo- + -ont a being, from Greek einai to be]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈskɪz ɒnt, ˈskɪt sɒnt)

(in the asexual reproduction of certain sporozoans) a cell developed from a trophozoite, which undergoes multiple fission to form merozoites.
[1895–1900; schiz- + -ont]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Within the cytoplasm is a schizont containing numerous round cross-sectioned (arrowhead) and longitudinally sectioned (arrows) merozoites (bar = 5 Hm).
and presence of Theileria piroplasm in RBC and schizont in lymphocyte and macroschizonts in Giemsa stained lymph node biopsy smear examination.
The parasitized cells escaping splenic removal are destroyed when the schizont ruptures.
Within the red blood cells, the merozoites mature either into uninucleate gametocyte or into erythrocytic stage schizont containing 10-36 merozoites [39].
Merozoites ranging from 10,000 to 30,000 exit the schizont within 60 seconds of hepatocyte invasion by sporozoites [7].
Theileria annulata: cross-reactions between a cell culture schizont antigen and antigens of East African species in the indirect fluorescent antibody test.
One could speculate that the H2 minor parasite population might have emerged from a hepatic schizont that ruptured days after those giving rise to the majority haplotypes and, despite genetic similarity, had substantial differences in surface antigenicity.
berghei sporozoites, and the extent of liver schizont growth can be readily assessed by measuring bioluminescent signals from the liver regions of intensity (ROI) at 24 and 48 hours and the whole body region at 72 hours after intravenous sporozoite inoculation.
Phylogenetic Gene ID classification Trophozoite Schizont Merozoite PF3D7_0204700 Clade 2 + + + PF3D7_0919500 Clade 4 nd nd nd Blood stage Gene ID Gametocyte I Gametocyte II Gametocyte III PF3D7_0204700 + + nd PF3D7_0919500 nd nd nd Mosquito/sexual stage Gene ID Gametocyte IV Gametocyte V Ookinete Sporozoite PF3D7_0204700 nd + nd + PF3D7_0919500 nd nd nd + Phylogenetic classification (see Figure 1); +: protein expression is detected; nd: not detected.
The protection engendered by the attenuated schizont vaccine has been evaluated by laboratory challenge with live infected ticks or with ground up tick sporozoites (GUTS) inoculated through syringe passage.
The heat shock protein 90 ofEimeria tenella is essential for invasion of host cell and schizont growth.
heteroporus, so their belonging to the latter should not be excluded (in this case, it may be a young cell, sometimes called schizont; see Norris, 1969).