Human Embryology TL1/From Fertilisation to Impantation

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Preknowledge, Objectives and Competencies



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Preknowledge

  • The structure and organisation of the body(BIOSCI 107)
  • The body tissues (histology) (BIOSCI 107)
  • Origin of the germ layers (BIOSCI 107)
  • Gastrulation in amphibia (BIOSCI107)
  • Anatomy of the female reproductive system



{{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.


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Competencies

At the end of this unit you should be able to:
  • 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


Activities and Reading Material



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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.




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Reading



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

Assignments



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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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Question

ADD QUESTION?


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Question

What do amphibian and mammalian gastrulation have in common?


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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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Definition
oviduct (aka fallopian tube):



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Definition
zygote:



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Definition
zona pellucida:



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Definition
morula:



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Definition
bastocyst:



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Definition
Blastocyst cavity (aka blastocoel):



enter your definition here



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Definition
Inner cell mass:



enter your definition here



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Definition
Cellular Trophoblast:



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Definition
Syncitial Trophoblast:



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Additional study material



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Media





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Web Resources



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


Related Content

Go back to the introductory page Continue with Unit 2: Implantation of the mammalian embryo