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Embryology > Pharyngeal arches > Flashcards

Pharyngeal arches Flashcards

1
Q

Which nerve(s) arises from pharyngeal arch 1?

A

Trigeminal (v) V2 and V3

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2
Q

Which nerve(s) arises from pharyngeal arch 2?

A

Facial VII

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3
Q

Which nerve(s) arises from pharyngeal arch 3?

A

Glossopharyngeal (IX)

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4
Q

Which nerve(s) arises from pharyngeal arch 4?

A

Vagus (V)

Superior laryngeal

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5
Q

Which nerve(s) arises from pharyngeal arch 6?

A

Vagus (V)

Recurrent laryngeal

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6
Q

Which pharyngeal arch does the vagus nerve arise from?

A

Arches 4 and 6

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7
Q

Which pharyngeal arch does the trigeminal nerve arise from?

A

Arch 1 (branches 2 and 3)

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8
Q

Which pharyngeal arch does the glossopharyngeal nerve arise from?

A

Arch 3

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9
Q

Which pharyngeal arch does the facial nerve arise from?

A

Arch 2

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10
Q

Which pharyngeal arch does the recurrent laryngeal nerve arise from?

A

Arch 6

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11
Q

Which pharyngeal arch does the superior laryngeal nerve arise from?

A

Arch 4

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12
Q

Which pharyngeal arch does cranial nerve 7 arise from?

A

Facial arises from arch 2

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13
Q

Which pharyngeal arch does cranial nerve 9 arise from?

A

Glossopharyngeal arises from arch 3

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14
Q

Which pharyngeal arch does the common carotid artery arise from?

A

Arch 3

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15
Q

Which pharyngeal arch does the internal carotid artery arise from?

A

Arch 3

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16
Q

Which pharyngeal arch does the external carotid artery arise from?

A

Arch 1

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17
Q

Which pharyngeal arch does the maxillary artery arise from?

A

Arch 1

18
Q

Which arteries arise from pharyngeal arch 1?

A

Maxillary and external carotid

19
Q

Which arteries arise from pharyngeal arch 2?

A

Stapedial and hyoid

20
Q

Which pharyngeal arch does the hyoid artery arise from?

A

Arch 2

21
Q

Which pharyngeal arch does the subclavian artery arise from?

A

Arch 4 (right)

22
Q

Which pharyngeal arch does the aortic arch arise from?

A

Arch 4 (left)

23
Q

Which pharyngeal arch does the pulmonary artery arise from?

A

Arch 6

24
Q

Which artery does pharyngeal arch 6 give rise to?

A

Pulmonary artery

25
Q

Which artery does pharyngeal arch 4 give rise to?

A

Right - subclavian

Left- aortic arch

26
Q

Which artery does pharyngeal arch 3 give rise to?

A

Internal and external carotids

27
Q

Which artery does pharyngeal arch 2 give rise to?

A

Stapedial and hyoid

28
Q

Which muscles arise from pharyngeal arch 2?

A

Muscles of facial expression, posterior belly of digastric

29
Q

Which bones does pharyngeal arch 2 give rise to?

A

Hyoid (lesser horn), stapes, stapedius, stylohyoid

30
Q

Which bones does the pharyngeal arch 1 give rise to?

A

Incus, malleus, mandible, maxilla

31
Q

Which muscles arise from pharyngeal arch 1?

A

Anterior belly of the digastric

Muscles of mastication

32
Q

Which pharyngeal arch does the thymus arise from?

A

Arch 3

33
Q

Which pharyngeal arch does the stylopharyngeus muscle arise from?

A

Arch 3

34
Q

Which muscles arise from pharyngeal arch 3?

A

Stylopharyngeus

35
Q

Which bones arise from pharyngeal arch 3?

A

The greater horn of the hyoid bone

36
Q

Where dies the cricothyroid muscle arise from?

A

Pharyngeal arch 4

37
Q

Which cartilage arises from pharyngeal arch 4?

A

Thyroid and epiglottic

38
Q

Which muscles arise from pharyngeal arch 6?

A

All laryngeal muscles except the cricothyroid

39
Q

Which muscles arise from the pharyngeal arch 4?

A

Cricothyroid and soft palate

40
Q

When does the thyroid gland start to form?

A

Approximately 24 days after conception

41
Q

What structure are the C cells of the thyroid gland derived from?

A

4th/5th Pharyngeal pouch

42
Q

Which structure does the Eustachian tube develop from?

A

1st pharyngeal pouch

Embryology (12 decks)

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