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ENT Diseases Development of the Ear

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Questions and Answers

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?

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?

Four

Ten

Six (correct)

Eight

What is the fate of the first branchial groove?

It deepens to become the external auditory meatus Signup and view all the answers

What grows inwards from the primitive funnel-shaped meatus towards the epithelium of the pharyngeal pouch?

A solid core of epithelial cells Signup and view all the answers

By when does the solid core of epithelial cells grow inwards from the primitive funnel-shaped meatus?

By the end of the second fetal month Signup and view all the answers

ENT Diseases Development of the Ear

Choose a study mode

Podcast

Questions and Answers

What is the importance of knowing the development of the ear?

What is the origin of the sound conducting mechanism?

How many tubercles appear on the first and second branchial arches around the first branchial groove?

What is the fate of the first branchial groove?

What grows inwards from the primitive funnel-shaped meatus towards the epithelium of the pharyngeal pouch?

By when does the solid core of epithelial cells grow inwards from the primitive funnel-shaped meatus?

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