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Embryo: unborn offspring during the period of most rapid development until all major structures (limbs, inner organs) are represented, in man from two weeks after fertilization to the end of seventh or eighth week (see also Foetus). [1]


  1. Jouko Tuomisto, Terttu Vartiainen and Jouni T. Tuomisto: Dioxin synopsis. Report. National Institute for Health and Welfare (THL), ISSN 1798-0089 ; 14/2011 [1]