From Fertilisation to Gastrulation

=Preknowledge, Objectives and Competencies=

=Activities and Reading Material=
 * Purves et al., Chapter 22 (pp. 542-547)
 * Jacobsen Chapter 1 (Sections: 'The Xenopus embryo' and 'The mouse embryo')

=Assignments=

Questions
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Definitions
You should be able to provide structural and functional definitions for the structures associated with this topic: (blastocyst, gastrula, inner cell mass, epiblast, hypoblast, cellular trophoblast, syncitial trophoblast, amniotic cavity, yolk sac, blastocoel, primitive streak, node (aka Hensen's node), prechordal mesoderm, chordomesoderm (notochord)).

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=Additional study material=

For Illustration
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 * Magnetic resonance imaging of the developing Xenopus laevis embryo

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=Related Content = Go back to the introductory page Continue with Unit 2 (Specification and Differentiation of Tissues)