arias-stella phenomenon

Medical Dictionary

Arias-Stella phenomenon A·ri·as-Stel·la phenomenon (ä'rē-ä-stěl'ə, är'yä-stě'yä)
n.
Focal, unusual, decidual changes in endometrial epithelium that consist of intraluminal budding, nuclear enlargement, and hyperchromatism with cytoplastic swelling and vacuolation. Also called Arias-Stella reaction.

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