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First Aid Reproductive > Aortic Arches > Flashcards

Aortic Arches Flashcards

1
Q

Part of maxillary artery (branch of external carotid artery)

A

1st aortic arch

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2
Q

Stapedial artery and hyoid artery

A

2nd aortic arch

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3
Q

Common carotid artery and proximal part of internal carotid artery

A

3rd aortic arch

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4
Q

On left, aortic arch; On right, proximal part Rt subclavian artery

A

4th aortic arch

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5
Q

Proximal part of pulmonary arteries; Left only - ductus arteriosus

A

6th aortic arch

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6
Q

Where right recurrent laryngeal artery loops

A

right common carotid and right subclavian artery

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7
Q

where left recurrent laryngeal artery gets caught

A

ductus arteriosus which turns into ligamentum arteriosum after birth ( loops around aortic arch)

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8
Q

Brachial Cleft (groove)

A

Ectoderm

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9
Q

Brachial Arch

A

Mesoderm

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10
Q

Brachial Pouch

A

Mesoderm

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11
Q

external Auditory meatus

A

1st brachial cleft

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12
Q

temporary cervical sinuses, obliterated by proliferation of 2nd arch mesenchyme

A

2-4 brachial clefts

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13
Q

Persistent cervical sinus

A

Brachial cleft cyst within lateral neck

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14
Q

Meckel cartilage

A

Mandible, malleus, incus, sphenomandibular ligament - all from 1st brachial arch

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15
Q

nerves associated with 1st brachial arch

A

CN V2 and V3

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16
Q

Nerve associated with 2nd brachial arch

A

CN VII

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17
Q

nerve associated with 3rd brachial arch

A

CN IX

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18
Q

Nerve associated with 4th brachial acrh

A

CN X, superior laryngeal br to swallow

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19
Q

Nerve associated with 4th brachial arch

A

CN X, superior laryngeal br to swallow

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20
Q

Nerve associated with 6th brachial arch

A

CN X, recurrent larngeal cr to speak

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21
Q

reichert cartilage

A

stapes, styloid process, lesser horn of hyoid, stylohyoid ligament - 2nd brachial arch

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22
Q

Muscles of mastication

A

temporalis, masseter, lateral and medial pterygoids

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23
Q

Treacher collins

A

Failure of 1st arch neural crest to migrate; mandibular hypoplasia, facial abnormalities

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24
Q

Muscles of Facial Expression

A

2nd Brachial arch

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25
Q

myelohyoid, anterior belly of digastric, tensor tympani, tensor veli palatini

A

More muscles assocaited with 1st brachial arch

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26
Q

Stapedius, Stylohyoid, platysma, posterior belly of digastric

A

2nd brachial arch

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27
Q

Congenital pharngocutaneous fistula

A

persistence of cleft or pouch resulting in a fistula between tonsillar area and lateral neck (2nd arch abnormalitiy)

28
Q

Cartilage of greater horn of hyoid

A

3rd brachial arch

29
Q

Stylopharyngeus

A

3rd brachial arch; associated with glossoPHARYNGEAL nerve

30
Q

Thyroid, cricoid, arytenoid, corniculate and cuneiform cartilages

A

4-6th brachial arches

31
Q

most pharyngeal constrictors; cricothyroid; levator veli palatini

A

4th brachial arch

32
Q

all intrinsic muscle of larynx except cricothyroid

A

6th brachial arch

33
Q

Branchial Cleft (groove)

A

Ectoderm

34
Q

Branchial Arch

A

Mesoderm

35
Q

Branchial Pouch

A

Mesoderm

36
Q

external Auditory meatus

A

1st branchial cleft

37
Q

temporary cervical sinuses, obliterated by proliferation of 2nd arch mesenchyme

A

2-4 branchial clefts

38
Q

Persistent cervical sinus

A

Branchial cleft cyst within lateral neck

39
Q

Meckel cartilage

A

Mandible, malleus, incus, sphenomandibular ligament - all from 1st branchial arch

40
Q

nerves associated with 1st branchial arch

A

CN V2 and V3

41
Q

Nerve associated with 2nd branchial arch

A

CN VII

42
Q

nerve associated with 3rd branchial arch

A

CN IX

43
Q

Nerve associated with 4th branchial arch

A

CN X, superior laryngeal br to swallow

44
Q

Nerve associated with 6th branchial arch

A

CN X, recurrent larngeal br to speak

45
Q

reichert cartilage

A

stapes, styloid process, lesser horn of hyoid, stylohyoid ligament - 2nd branchial arch

46
Q

myelohyoid, anterior belly of digastric, tensor tympani, tensor veli palatini

A

More muscles assocaited with 1st branchial arch

47
Q

Stapedius, Stylohyoid, platysma, posterior belly of digastric

A

2nd branchial arch

48
Q

Cartilage of greater horn of hyoid

A

3rd branchial arch

49
Q

Stylopharyngeus

A

3rd branchial arch; associated with glossoPHARYNGEAL nerve

50
Q

Thyroid, cricoid, arytenoid, corniculate and cuneiform cartilages

A

4-6th branchial arches

51
Q

most pharyngeal constrictors; cricothyroid; levator veli palatini

A

4th branchial arch

52
Q

all intrinsic muscle of larynx except cricothyroid

A

6th branchial arch

53
Q

Arch that make posterior 1/3 of tongue

A

3rd and 4th branchial arches

54
Q

Develops into middle ear cavity; eustachian tube and mastoid air cells

A

1st branchial pouch

55
Q

Endoderm-lined structures of ear

A

1st branchial pouch

56
Q

Develops into epithelial lining of palatine tonsil

A

2nd branchial pouch

57
Q

Dorsal wings or 3rd branchial pouch

A

inferior parathyroids (which is weird because superior parathyroids are from the 4th)

58
Q

Ventral wings of 3rd branchial pouch

A

thymus

59
Q

Dorsal wings of 4th branchial pouch

A

superior parathyroids

60
Q

Aberrant development of 3rd and 4th pouches

A

DiGeorge Syndrome

61
Q

T cell deficiency (thymic aplasia), hypocalcemia (failure of PTH to develop) and conotruncal anomalies

A

DiGeorge Syndrome

62
Q

Mutation of germline RET (neural crest cells)

A

MEN2A

63
Q

Affected organs in MEN2A

A 
Adrenal medulla (pheochromocytoma)
Parathyroid tumor (3rd/4th pharyngeal pouches)
Parafollicular cells (medullary thyroid) from neural crest cells derived from 4th/5th pouches
64
Q

Failure of fusion of maxillary and medial nasal processes; fail to form primary palate

A

Cleft Lip

65
Q

Failure of fusion of the two lateral palatine processes of failure of fusion of lateral palatine with nasal septum and or median palatine process; fail to form secondary palate

A

Cleft palate

First Aid Reproductive (15 decks)

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