Cl06ppt - MCDB 4650 Class 6 Review session Friday 3-4:30 pm...

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MCDB 4650 Class 6 Review session Friday 3-4:30 pm here astrulation and neurulation Quiz 1: Monday 6-7 pm here (classes 1-6) Gastrulation and neurulation Define the terms blastula, blastocoel, blastopore, archenteron, gastrula. xplain the difference between epithelial and mesenchymal cells and why Explain the difference between epithelial and mesenchymal cells, and why transitions between the two cell types are a fundamental part of development. Explain what gastrulation, in general, accomplishes for an embryo. Predict what happens in the absence of gastrulation (with regard to cell type specification and differentiation). Compare the movements of gastrulation to the movements (and the purpose of) neurulation.
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Which of the following statements about what happens during l i F A L S E ? cleavage is FALSE? ) The embryo grows in size as the contents are partitioned into a) individual cells. ) Some cell identities are determined and certain cells are b) separated from each other. c) A hollow ball or disc of cells is formed called the blastula. d) Control of development shifts from maternally-derived to embryonically produced gene products.
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Goal of gastrulation: make a 3 layered embryo, with endoderm on the inside, ectoderm on the outside, and mesoderm in the middle Goal of neurulation: form the central nervous system rain and spinal cord) (brain and spinal cord) Both processes involve cell shape changes, cell ovement and cell reorganization movement, and cell reorganization
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Gastrulation What to remember how cells move where cells end up hy the movements are important why the movements are important the end result
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pithelial and mesenchymal cells represent two major tissue types Epithelial and mesenchymal cells represent two major tissue types in animals. In gastrulation, some cells transition from
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Cl06ppt - MCDB 4650 Class 6 Review session Friday 3-4:30 pm...

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