Pharygeneal pouch and groove derivative Flashcards by Dwayne Townsend | Brainscape

Q

What does PP 1 become?

A

middle ear

auditory tube

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Q

What does PP2 become?

A

Palatine tonsils

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Q

What does PP3 become?

A

parathyroid thymus

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Q

what does PP 4/5 become?

A

parathyroid
c cells
cells of thyroid

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Q

What does PG 1 become?

A

external auditory meatus

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Q

What forms behind PG 2?

A

fuse into cervical sinus

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Q

What happens to the fused cervical sinus?

A

it disappears

occasionally forms a cyst

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