An index representing the relative concentration of hemoglobin in the red blood cells.
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- sinumbra lamp,
- sinus arrest,
- sinus arrhythmia,
- sinus block,
- sinus histiocytosis with massive lymphadenopathy,
- sinus iridum
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.