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Questions and Answers
Which type of muscle differentiates from splanchnic mesoderm surrounding the gut and its derivatives?
Which type of muscle differentiates from splanchnic mesoderm surrounding the gut and its derivatives?
- Cardiac muscle
- Skeletal muscle
- Smooth muscle (correct)
- Iris muscle
From which type of mesoderm do the limb muscles develop by epitheliomesenchymal transformation?
From which type of mesoderm do the limb muscles develop by epitheliomesenchymal transformation?
- Neuroectoderm
- Paraxial mesoderm (correct)
- Ectoderm
- Splanchnic mesoderm
Which embryonic cells give rise to myoblasts, the embryonic muscle cells?
Which embryonic cells give rise to myoblasts, the embryonic muscle cells?
- Mesenchymal cells (correct)
- Mesothelial cells
- MyoD cells
- Neural crest cells
What activates transcription of muscle-specific genes and is considered an important regulatory gene for the induction of myogenic differentiation?
What activates transcription of muscle-specific genes and is considered an important regulatory gene for the induction of myogenic differentiation?
Which type of muscle is derived from the neural crest in the head region?
Which type of muscle is derived from the neural crest in the head region?
What process is dependent on the degree of mesenchymal cell differentiation for the induction of myogenesis by MyoD?
What process is dependent on the degree of mesenchymal cell differentiation for the induction of myogenesis by MyoD?
What is the first indication of myogenesis according to the text?
What is the first indication of myogenesis according to the text?
What are the characteristic organelles that form in the cytoplasm of myotubes during muscle growth?
What are the characteristic organelles that form in the cytoplasm of myotubes during muscle growth?
Where do myogenic precursor cells originate from in response to molecular signals?
Where do myogenic precursor cells originate from in response to molecular signals?
Which muscle-specific basic helix-loop-helix transcription factors are activated in precursor myogenic cells according to the text?
Which muscle-specific basic helix-loop-helix transcription factors are activated in precursor myogenic cells according to the text?
What results in the ongoing muscle growth in the fetus according to the text?
What results in the ongoing muscle growth in the fetus according to the text?
Where do cells migrate to from the dorsomedial edge of the dermomyotome according to the text?
Where do cells migrate to from the dorsomedial edge of the dermomyotome according to the text?
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