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organogenesis

organogenesis The formation of organs during embryonic development. In animals this begins following the rearrangement of the cells at gastrulation, when the three germ layers are fully formed in their correct positions. Dividing cells of the gastrula begin to differentiate and the rudimentary organs and organ systems begin to form. See differentiation; ectoderm; endoderm; mesoderm.

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organogenesis

organogenesis A stage of embryogenesis in vertebrate embryos that follows the differentiation of the mesoderm and in which the development of organs occurs. Organs are derived from five basic types of tissues: epithelilial, connective, blood, muscular, and nervous. See also BLASTULA; GASTRULA; PHARANGULA.

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"organogenesis." A Dictionary of Zoology. . Encyclopedia.com. 21 Feb. 2018 <http://www.encyclopedia.com>.

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"organogenesis." A Dictionary of Zoology. . Retrieved February 21, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/organogenesis

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