Human Embryology TL1/Implantation

=Preknowledge, Objectives and Competencies=

{{Objectives| In this unit we will review the processes that lead from fertilisation to the implantation of the embryo. We will build on our prior knowledge and examine in detail the process that leads a fertilized oocyte to become an implanted embryo. {{Competencies|At the end of this unit you should be able to: =Activities and Reading Material= {{Activity|During class, we will use the diagrams provided in the lecture notes to identify and label the different structures and use those as a platform to discuss the early processes of development. Figures associated with this topic: Fig 5.1 and Fig 5.2.}} {{Reading|}}
 * Describe the different stages of development of the embryo as it travels down the fallopian tubes
 * Predict the types of malformations that may be associated with disruption of any of the processes discussed}}


 * Jacobsen Chapter 1 (Sections: 'The Xenopus embryo' and 'The mouse embryo')

=Assignments= {{Assignment|After class, you are expected to review your notes and read the assigned text material. You are expected to contribute to the questions and definitions sections below. Please use the discussion page if you want to discuss any particular topic on the material. You are also welcome to add links to videos or audio files in the Media box or links to online resources in the Web Resources box below.}}

Questions
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Definitions
You should be able to provide structural and functional definitions for the structures associated with this topic: (oviduct (aka fallopian tube), zygote, zona pellucida, morula, blastocyst, trophoblast, inner cell mass ).

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=Additional study material=


 * Look at a movie from Howard Hughes Medical Institute that shows the processes from fertilisation to gastrulation.
 * Watch the early development of a sea urchin.

Check out PZ Meyer's blog post on spiral cleavage.

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