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sickle cell

noun, Pathology
an abnormal red blood cell having an elongated, crescentlike shape due to the presence of an abnormal hemoglobin.
Origin of sickle cell
1925-30; so called from the fact that the cells are often sickle-shaped Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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sickle-cell in Medicine

sickle cell sick·le cell (sĭk'əl)
An abnormal, crescent-shaped red blood cell that results from a single change in the amino acid sequence of the cell's hemoglobin, which causes the cell to contort, especially under low-oxygen conditions. Also called drepanocyte, meniscocyte.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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