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Anatomy Exam 2 > L9: Vascular Supply to Upper Extremity > Flashcards

L9: Vascular Supply to Upper Extremity Flashcards

1
Q

origin of left subclavian a

A

direct branch of aortic arch

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2
Q

origin of right subclavian a

A

branch from brachiocephalic trunk

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3
Q

subclavian arteries arise ….?

A

posterior to sternoclavicular joint

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4
Q

what is the landmark associated with the subclavian artery?

A

anterior scalene muscle

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5
Q

3 divisions of the subclavian a

A
  1. medial to scalene
  2. posterior scalene
  3. lateral scalene
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6
Q

continuation of the subclavian a

A

becomes axillary a
past the clavicle
past lateral border of 1st rib

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7
Q

route of the subclavian a

A

across subclavian groove
behind scalene
between 1st rib and clavicle

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8
Q

where is the subclavian groove located?

A

superior side of 1st rib

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9
Q

subclavian part 1 branches

A

internal thoracic
vertebral
thyrocervical trunk

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10
Q

another name for the internal thoracic artery

A

mammary artery

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11
Q

route of the vertebral artery

A

pass thru transverse foramen 6 - 1
pass thru foramen magnum
unites with other vertebral a
=basilar artery

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12
Q

branches of the thyrocervical arterial trunk

A

transverse cervical artery
inferior thyroid artery
ascending cervical a
suprascapular a

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13
Q

transverse cervical artery branches

A

superficial branch

deep branch = dorsal scapular a

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14
Q

transverse cervical artery route

A

pass anterior to ant. scalene
run with CN XI
supplies the rhomboids

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15
Q

suprascapular a route

A 
pass btw sternomastoid and ant. scalene
pass over suprascapular lig
to supraspinatus fossa
thru spinoglenoid notch
to infraspinatus fossa
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16
Q

subclavian part 2 branches

A

Costocervical trunk

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17
Q

Costocervical trunk branches

A

supreme intercostal a

deep cervical a

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18
Q

subclavian part 3 branches

A

trick question

it ain’t got none

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19
Q

what nerve accompanies the transverse cervical artery?

A

CN XI

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20
Q

where does the axillary artery begin?

A

the inferior border of the 1st rib

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21
Q

landmark of the axillary artery

A

pectoralis minor

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22
Q

3 part of the axillary artery

A

superior to pec m
deep to pec m
inferior to pec m

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23
Q

axillary artery part 1

A

superior to pec m

superior thoracic artery

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24
Q

describe the branch off of the 1st part of the axillary artery

A

superior thoracic artery

supplies posterior intercostal spaces 1 and 2, serratus anterior

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25
Q

axillary artery part 2

A

deep to pec m

thoracoacromial artery/trunk
lateral thoracic artery

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26
Q

describe the origin and areas supplied by the thoracoacromial trunk

A

branch off axillary part 2/deep to pec m

has branches that go to supply the pectoralis, deltoid, acromial, clavicular branches

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27
Q

where does the lateral thoracic artery originate? give characteristics

A

axillary a part 2/deep to pec m

extends along lateral side of pec m
supplies a portion of pec, lymph nodes and breasts

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28
Q

what artery is especially important in women and why?

A

lateral thoracic artery

because it supplies breast tissue

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29
Q

axillary artery part 3

A

inferior to pec m

post. circumflex humeral a
ant. circumflex humeral a
subscapular a

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30
Q

posterior circumflex humeral artery

A 
3rd part of axillary a
pass around post humerus
anastomoses w/ ant. circumflex
runs w/ axillary nerve
content of quadrilateral space

supplies deltoid and triceps

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31
Q

subscapular artery

A

3rd part of axillary a
gives off 2 branches

thoracodorsal a – supply lats
circumflex scapular a

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32
Q

what is the circumflex scapular artery referred to as along the medial border of the scapula?

A

dorsal scapular a

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33
Q

continuation of the axillary artery

A

once clear inferiorly to teres major
brachial artery

—upper brachium

34
Q

what is the accompanying nerve to the thoracodorsal artery?

A

axillary nerve

35
Q

branches of the scapular anastomoses

A
  1. suprascapular a
  2. dorsal scapular
  3. posterior intercostal a
  4. circumflex scapular a
  5. thoracodorsal
36
Q

where does the posterior intercostal artery arise from?

A

thoracic aorta

37
Q

where does the dorsal scapular artery arise from?

A

deep branch of transverse cervical artery

38
Q

anatomical relationship of the posterior circumflex humeral artery

A

circles around the surgical neck of the humerus

39
Q

brachial artery upper arm

A

runs medial to median nerve

40
Q

brachial artery lower arm

A

runs lateral to median nerve

41
Q

the passings of the brachial artery

A

deep to bicipital aponeurosis
lateral to median nerve
medial to bicipital tendon

42
Q

continuation of the brachial artery

A

ulnar and radial arteries

43
Q

main branch of the brachial artery

A

deep brachial a

44
Q

describe the course of the deep brachial artery

A

wraps around post humerus
runs in radial groove
with radial nerve
anastomoses with radial recurrent

supplies posterior brachium

45
Q

branches of the deep brachial artery

A

ascending branch to post circumflex humeral

descending branch becomes radial collateral artery

46
Q

branches of the brachial artery

A

deep brachial a
nutrient humeral a
superior ulna collateral a

47
Q

significance of the nutrient humeral artery

A

supplies the humerus bone

48
Q

superior ulnar collateral artery

A

runs with ulnar nerve
pass post to medial epicondyle
anastomoses w/ post ulnar recurrent artery

49
Q

location in the forearm of the bifurcation of the brachial artery

A

below inferior border of teres major

50
Q

anatomical relationship of the deep brachial artery to the humerus

A

runs lateral to humerus = collateral artery of brachium

lateral to the lateral epicondyle

51
Q

radial recurrent

A

given off the radial artery close to its origin

travels upward to meet radial collateral about the biceps

52
Q

terminal of the radial artery

A

enters wrist and hand to form the deep palmar arch

53
Q

common interosseous artery/trunk

A

given off the ulnar artery close to its origin

divides into ant/post divisions to supply the interosseous membrane of the forearm

54
Q

ulnar artery

A

continuation of brachial artery
runs w/ ulnar nerve in forearm

enters wrist and hand to form the superficial palmar arch

55
Q

what is the major branch of the ulnar artery?

A

common interosseous artery

56
Q

blood flow back to heart: hand to subclavian vein

A
  1. dorsal venous arch
  2. cephalic or basilic vein
  3. axillary vein
  4. subclavian vein
57
Q

gets blood from digits

A

dorsal venous arch

58
Q

drains lateral side of dorsal venous arch

A

cephalic vein

59
Q

drains medial side of dorsal venous arch

A

basilic vein

60
Q

becomes the _____ vein after passing superior to triceps

A

basilic vein becomes axillary

61
Q

dumps into ____ vein just before the 1st rib

A

cephalic vein dumps into axillary vein

62
Q

becomes the _____ vein at the lateral border of the first rib

A

axillary becomes subclavian vein

63
Q

cephalic vein

A 
runs along lateral forearm
within superficial fascia
receives lateral tributary of median vein
runs along lateral arm
within superficial fascia
thru deltopectoral triangle
pierces clavipectoral fascia
dumps into axillary vein
64
Q

basilic vein

A 
runs along medial forearm
receives medial tributary of median vein
runs along medial arm
within deep fascia
joins venae comitantes of brachial a
forms axillary vein
65
Q

position and clinical significance of median cubital vein

A

lies superficial to bicipital aponeurosis

useful for venipuncture

66
Q

axillary vein

A

formed by union of basilic vein and venae comitantes

after passing under clavicle = subclavian vein

67
Q

subclavian vein

A

continuation of the axillary vein past the clavicle

68
Q

subclavian + _____ = ?

A

subclavian + jugular veins = brachiocephalic vein

69
Q

relate brachiocephalic vein and artery numbers

A

2 veins

1 artery

70
Q

the 2 _____ join to form the superior ____ _____ ?

A

2 brachiocephalic veins join to form the superior vena cava

71
Q

relate venae comitantes and heat loss

A

veins and arteries run together and can transfer heat to minimize heat loss

in the arm the venae comitantes travel with the brachial artery

72
Q

3 groups of axillary nodes

A

palmer surface
lateral forearm to arm
medial forearm to arm

73
Q

palmar nodes

A

lymph drainage is from palmar surface to dorsal surface of hand

74
Q

lateral axillary nodes

A

follow cephalic vein

lymph goes to chain of modes in deltopectoral groove to get to axillary nodes

75
Q

medial axillary nodes

A

lymph flows to epitrochlear nodes to axillary nodes

above trochlea

76
Q

brachial nodes

A

medial to humerus

near axillary artery/vein

77
Q

pectoral nodes

A

lie behind pec m
w/ lat thoracic artery
drain mammary glands

78
Q

subscapular nodes

A

along lower border of scapula
w/ subscapular artery
drain the back

79
Q

central nodes

A

found within axillary fat
drain to apical nodes

receive lymph from: brachial, pectoral, subscapular nodes

80
Q

apical nodes

A

located behind clavicle

Anatomy Exam 2 (9 decks)

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