Neuroanatomy I Flashcards

1
Q

From where does the mandibular branch of CN V originate?

A

Pharyngeal Arch 1

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2
Q

From where do the muscles of mastication originate?

A

Pharyngeal Arch 1

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3
Q

From where does CN VII originate?

A

Pharyngeal Arch 2

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4
Q

From where do the muscles of facial expression originate?

A

Pharyngeal Arch 2

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5
Q

From where do the superior laryngeal nerve and the pharyngeal branches of CN X originate?

A

Pharyngeal Arch 4

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6
Q

From where does CN IX originate?

A

Pharyngeal Arch 3

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7
Q

From which pharyngeal arch does the stylopharyngeus muscle originate?

A

Pharyngeal Arch 3

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8
Q

From where do the right and left common and internal carotid arteries arise?

A

Pharyngeal Arch 3

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9
Q

From where does the recurrent laryngeal nerve of CN X originate?

A

Pharyngeal Arch 6

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10
Q

From where does the right subclavian artery and the arch of the aorta originate?

A

Pharyngeal Arch 4

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11
Q

From where do the muscles of the soft palate originate

A

Pharyngeal Arch 4

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12
Q

From where do the muscles of the pharynx originate?

A

Pharyngeal Arch 4

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13
Q

From where do the right and left pulmonary arteries originate?

A

Pharyngeal Arch 6

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14
Q

From where does the ductus arteriosus (left arch) originate?

A

Pharyngeal Arch 6

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15
Q

From where do the intrinsic muscles of the larynx (except the cricothyroid muscle) originate?

A

Pharyngeal Arch 6

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16
Q

What is derived from pharyngeal pouch 1?

A

Epithelial lining of the auditory tube and middle ear cavity

17
Q

What is derived from pharyngeal pouch 2?

A

The epithelial lining of the crypts of the palantine tonsil

18
Q

What is derived from pharyngeal pouch 3?

A

The inferior parathyroid gland and the thymus

19
Q

What is derived from pharyngeal pouch 4?

A

The superior parathyroid gland and the ultimobranchial body (which form C cells fo the thyroid)

20
Q

Under what circumstances does a cleft lip occur?

A

When the maxillary prominence fails to fuse with the medial nasal prominence

21
Q

Under what circumstances does a cleft palate occur?

A

When the palatine shelves fail to fuse with each other or the primary palate.

22
Q

What travels through the Cribiform Plate?

A

CN I