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germinal disk
germinal disk definition - medical
germinal disk
noun A flattened, disklike region of cells from which the embryo develops in the fertilized ovum of many vertebrate species. Also called embryonic disk.
The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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