Answer / biomaster

1) Middle ear cavity

2) Eustachian tube

3) Mastoid air cells.

What is produced by beta cells of the Islets of Langerhans?

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What are 2 morphological characteristics of monocytes?

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What is the primary regulatory control of adrenal medulla secretion?

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What is the innervation difference above and below the pectinate line?

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From which cells do plasma cells differentiate?

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What is a urachal cyst or sinus a remnant of?

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Does blood arise from neural crest (ectoderm), mesoderm, or endoderm?

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What does the 5th pharyngeal pouch develop into?

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Plasma is filtered on the basis of what properties?

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What cell type closely resembles a mast cell?

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CN II passes through what 'hole'?

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What layers of the gut wall contribute to motility ?

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