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chromosome band

noun

any of the transverse bands that appear on a chromosome after staining. The banding pattern is unique to each type of chromosome, allowing characterization
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
chromosome band in Medicine

chromosome band

n.

An area across the width of a chromosome that stains darkly or in a contrasting manner.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.