Medical term:
polysomy
polysomy
[pol″e-so´me]an excess of a particular chromosome.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
pol·y·so·my
(pol'ē-sō'mē),State of a cell nucleus in which a specific chromosome is represented more than twice. Cells containing three, four, or five homologous chromosomes are referred to, respectively, as trisomic, tetrasomic, or pentasomic. Compare: polyploidy.
[poly- + G. sōma, body (chromosome)]
Farlex Partner Medical Dictionary © Farlex 2012
pol·y·so·my
(pol'ē-sō'mē)State of a cell nucleus in which a specific chromosome is represented more than twice. Cells containing three, four, or five homologous chromosomes are referred to, respectively, as trisomic, tetrasomic, or pentasomic.
Compare: polyploidy
Compare: polyploidy
[poly- + G. sōma, body (chromosome)]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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