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Repro R&M > Aortic arch + branchial apparatus derivatives > Flashcards

Aortic arch + branchial apparatus derivatives Flashcards

p 558

1
Q

1st aortic arch

A

Part of maxillary artery

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2
Q

2nd aortic arch

A

Stapedial artery, hyoid artery

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3
Q

3rd aortic arch

A

Common carotid artery; proximal part of ICA

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4
Q

4th aortic arch

A

Left: aortic arch
Right: proximal part of right subclavian artery

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5
Q

5th aortic arch

A

Nothing!

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6
Q

6th aortic arch

A

Both sides: Proximal part of pulmonary arteries

Left only: ductus arteriosus

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7
Q

1st branchial cleft

A

External auditory meatus

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8
Q

2-4th branchial clefts

A

Temporary cervical sinuses (later obliterated)

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9
Q

1st branchial arch: cartilage?

A 
Meckel cartilage:
Mandible
Malleus
Incus
Spheno-mandibular ligament
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10
Q

1st branchial arch: muscles?

A 
MAST-MATT:
Muscles of mastication:
-temporalis
-masseter
-lateral pterygoid
-medial pterygoid
Myelohyoid
Anterior belly of digastric
Tensor tympani
Tensor veli palatini
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11
Q

1st branchial arch: nerves?

A

CN V2 and V3

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12
Q

2nd branchial arch: cartilage?

A 
Reichert cartilage:
Stapes
Styloid process
Lesser horn of hyoid
Stylohyoid ligament
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13
Q

2nd branchial arch: muscles?

A 
Muscles of facial expression
Stapedius
Stylohyoid
Platysma
Posterior belly of digastric
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14
Q

2nd branchial arch: nerve?

A

CN 7

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15
Q

3rd branchial arch: cartilage?

A

Greater horn of hyoid

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16
Q

3rd branchial arch: muscle?

A

Stylopharyngeus

17
Q

3rd branchial arch: nerve?

A

CN 9

18
Q

4th-6th branchial arches: cartilage?

A 
Thyroid
Cricoid
Arytenoids
Corniculate
Cuneiform
19
Q

4th branchial arch: muscles?

A

Most pharyngeal constrictors
Cricothyroid
Levator veli palatini

20
Q

4th branchial arch: nerve?

A

CN 10: superior laryngeal branch

21
Q

5th branchial arch?

A

Nuttin

22
Q

Which arches form posterior 1/3 of tongue?

A

3 + 4

23
Q

6th branchial arch: muscles?

A

All intrinsic muscles of larynx except cricothyroid

24
Q

6th branchial arch: nerve?

A

CN 10: recurrent laryngeal branch

25
Q

1st branchial pouch?

A

Middle ear cavity
Eustachian tube
Mastoid air cells

26
Q

2nd branchial pouch?

A

Epithelial lining of palatine tonsils

27
Q

3rd branchial pouch?

A

Dorsal wings: inferior patathyroids

Ventral wings: thymus

28
Q

4th branchial pouch?

A

Dorsal wings: superior parathyroids

Repro R&M (7 decks)

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