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Questions and Answers
What is the importance of knowing the development of the ear?
What is the importance of knowing the development of the ear?
- To study the development of the brain
- For the diagnosis and therapy of ear diseases (correct)
- To understand the structure of the eye
- To understand the function of the nose
What is the origin of the sound conducting mechanism?
What is the origin of the sound conducting mechanism?
- Visceral arch
- Branchial apparatus of the embryo (correct)
- Ectodermal otocyst
- Pharyngeal pouch
How many tubercles appear on the first and second branchial arches around the first branchial groove?
How many tubercles appear on the first and second branchial arches around the first branchial groove?
- Four
- Ten
- Six (correct)
- Eight
What is the fate of the first branchial groove?
What is the fate of the first branchial groove?
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What grows inwards from the primitive funnel-shaped meatus towards the epithelium of the pharyngeal pouch?
What grows inwards from the primitive funnel-shaped meatus towards the epithelium of the pharyngeal pouch?
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By when does the solid core of epithelial cells grow inwards from the primitive funnel-shaped meatus?
By when does the solid core of epithelial cells grow inwards from the primitive funnel-shaped meatus?
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