[tuh-rat-uh-jen-uh-sis, ter-uh-tuh-]
noun Biology.
the production or induction of malformations or monstrosities, especially of a developing embryo or fetus.
Also called teratogeny [ter-uh-toj-uh-nee] , teratogenicity [tuh-rat-oh-juh-nis-i-tee, ter-uh-toh-] .

1900–05; terato- + -genesis

teratogenetic [tuh-rat-oh-juh-net-ik, ter-uh-toh-] , adjective
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Medical Dictionary

teratogenesis ter·a·to·gen·e·sis (těr'ə-tə-jěn'ĭ-sĭs)
Development of malformed organisms or growths. Also called teratogeny.

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