Head & Neck Embryology Flashcards

1
Q

How are the Pharyngeal arches formed?

A

They begin to form in the embryo from week 4-6

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2
Q

From which part of the gut tube do the pharyngeal arches develop?

A

Foregut

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3
Q

What structures develop from the pharyngeal arches?

A

Face and neck

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4
Q

What embryological tissues make up the pharyngeal arches?

A

Ectoderm

Mesoderm

Endoderm

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5
Q

What is the innervation of each of the pharyngeal arches?

A

1st arch - Mandibular branch of Trigeminal

2nd arch - Facial Nerve

3rd arch - Glossopharyngeal

4th arch - Vagus nerve

6th arch - Vagus nerve

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