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inner cell mass

inner cell mass in Medicine

inner cell mass in·ner cell mass (ĭn'ər)
n.
The mass at the embryonic pole of the blastocyst concerned with the formation of the body of the embryo.

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