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Questions and Answers
During neurulation, the process by which the three ectoderm regions are made physically and functionally distinct from one another is called?
During neurulation, the process by which the three ectoderm regions are made physically and functionally distinct from one another is called?
- Primary neurulation
- Secondary neurulation
- Neurulation (correct)
- Gastrulation
What is the major derivative of the ectoderm germ layer responsible for the formation of peripheral neurons, pigment, and facial cartilage?
What is the major derivative of the ectoderm germ layer responsible for the formation of peripheral neurons, pigment, and facial cartilage?
- Mesenchyme cells
- Neural crest (correct)
- Surface ectoderm
- Neural tube
Which process involves the coalescence of mesenchyme cells into a solid cord that subsequently forms cavities to create a hollow tube for the posterior portion of the neural tube?
Which process involves the coalescence of mesenchyme cells into a solid cord that subsequently forms cavities to create a hollow tube for the posterior portion of the neural tube?
- Secondary neurulation (correct)
- Neurulation
- Gastrulation
- Primary neurulation
What is the embryo called when it is undergoing the processes of neurulation?
What is the embryo called when it is undergoing the processes of neurulation?
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Which part of the neural tube is primarily formed by the coalescence of mesenchyme cells into a solid cord that subsequently forms cavities?
Which part of the neural tube is primarily formed by the coalescence of mesenchyme cells into a solid cord that subsequently forms cavities?
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