Template:BGDA Practical 6 - Week 3 Interactive: Difference between revisions
From Embryology
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|| During folding in the third week all three germ cell layers (ectoderm, mesoderm and endoderm) fold together ventrally as described. | || During folding in the third week all three germ cell layers (ectoderm, mesoderm and endoderm) fold together ventrally as described. | ||
{The migration of intra-embryonic mesoderm occurs between the ectoderm and endoderm to give rise to: | |||
|type="()"} | |||
- the buccopharyngeal membrane | |||
- the cloacal membrane | |||
- the allantois | |||
- the somites | |||
+ all of the above | |||
|| During gastrulation in week 3 to 4, intra-embryonic mesoderm, or simply "mesoderm" occurs between the ectoderm and endoderm forming the {{somite}}s. Extra-embryonic mesoderm lies outside the embryo and is associated with the placenta and fetal membranes. | |||
{The buccopharyngeal membrane is made up of: | |||
|type="()"} | |||
- embryonic ectoderm, mesoderm and endoderm | |||
- endoderm fused with mesoderm | |||
- ectoderm fused with mesoderm | |||
+ ectoderm fused with endoderm | |||
- the cephalic end of notochordal process | |||
|| The buccopharyngeal membrane is made up of ectoderm fused with endoderm and lies above the cephalic end of notochordal process. | |||
{The intraembryonic coelom finally forms | {The intraembryonic coelom finally forms |
Revision as of 15:36, 12 May 2019
Week 3 Interactive Component
Attempt the Quiz - Week 3 |
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Here are a few simple Quiz questions that relate to Week 3 (GA week 5) from the lecture and practical.
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