Meaning of TERATOGEN

WordNet Dictionary
	Definition:		[n]  any agent that interferes with normal embryonic development: alcohol or thalidomide or X-rays or rubella are examples
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	See Also:		agent, thalidomide
Biology Dictionary
	Definition:		A chemical such as thalidomide that can cause birth defects by adversely altering the development of an embryo or fetus without necessarily altering the organism's genetic structure. Compare mutagen.