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

L9: Vascular Supply to Upper Extremity Flashcards

(80 cards)

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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
axillary artery part 2
deep to pec m thoracoacromial artery/trunk lateral thoracic artery
26
describe the origin and areas supplied by the thoracoacromial trunk
branch off axillary part 2/deep to pec m has branches that go to supply the pectoralis, deltoid, acromial, clavicular branches
27
where does the lateral thoracic artery originate? give characteristics
axillary a part 2/deep to pec m extends along lateral side of pec m supplies a portion of pec, lymph nodes and breasts
28
what artery is especially important in women and why?
lateral thoracic artery | because it supplies breast tissue
29
axillary artery part 3
inferior to pec m post. circumflex humeral a ant. circumflex humeral a subscapular a
30
posterior circumflex humeral artery
``` 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
31
subscapular artery
3rd part of axillary a gives off 2 branches thoracodorsal a -- supply lats circumflex scapular a
32
what is the circumflex scapular artery referred to as along the medial border of the scapula?
dorsal scapular a
33
continuation of the axillary artery
once clear inferiorly to teres major brachial artery ---upper brachium
34
what is the accompanying nerve to the thoracodorsal artery?
axillary nerve
35
branches of the scapular anastomoses
1. suprascapular a 2. dorsal scapular 3. posterior intercostal a 4. circumflex scapular a 5. thoracodorsal
36
where does the posterior intercostal artery arise from?
thoracic aorta
37
where does the dorsal scapular artery arise from?
deep branch of transverse cervical artery
38
anatomical relationship of the posterior circumflex humeral artery
circles around the surgical neck of the humerus
39
brachial artery upper arm
runs medial to median nerve
40
brachial artery lower arm
runs lateral to median nerve
41
the passings of the brachial artery
deep to bicipital aponeurosis lateral to median nerve medial to bicipital tendon
42
continuation of the brachial artery
ulnar and radial arteries
43
main branch of the brachial artery
deep brachial a
44
describe the course of the deep brachial artery
wraps around post humerus runs in radial groove with radial nerve anastomoses with radial recurrent supplies posterior brachium
45
branches of the deep brachial artery
ascending branch to post circumflex humeral descending branch becomes radial collateral artery
46
branches of the brachial artery
deep brachial a nutrient humeral a superior ulna collateral a
47
significance of the nutrient humeral artery
supplies the humerus bone
48
superior ulnar collateral artery
runs with ulnar nerve pass post to medial epicondyle anastomoses w/ post ulnar recurrent artery
49
location in the forearm of the bifurcation of the brachial artery
below inferior border of teres major
50
anatomical relationship of the deep brachial artery to the humerus
runs lateral to humerus = collateral artery of brachium lateral to the lateral epicondyle
51
radial recurrent
given off the radial artery close to its origin travels upward to meet radial collateral about the biceps
52
terminal of the radial artery
enters wrist and hand to form the deep palmar arch
53
common interosseous artery/trunk
given off the ulnar artery close to its origin divides into ant/post divisions to supply the interosseous membrane of the forearm
54
ulnar artery
continuation of brachial artery runs w/ ulnar nerve in forearm enters wrist and hand to form the superficial palmar arch
55
what is the major branch of the ulnar artery?
common interosseous artery
56
blood flow back to heart: hand to subclavian vein
1. dorsal venous arch 2. cephalic or basilic vein 3. axillary vein 4. subclavian vein
57
gets blood from digits
dorsal venous arch
58
drains lateral side of dorsal venous arch
cephalic vein
59
drains medial side of dorsal venous arch
basilic vein
60
becomes the _____ vein after passing superior to triceps
basilic vein becomes axillary
61
dumps into ____ vein just before the 1st rib
cephalic vein dumps into axillary vein
62
becomes the _____ vein at the lateral border of the first rib
axillary becomes subclavian vein
63
cephalic vein
``` 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
basilic vein
``` 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
position and clinical significance of median cubital vein
lies superficial to bicipital aponeurosis useful for venipuncture
66
axillary vein
formed by union of basilic vein and venae comitantes after passing under clavicle = subclavian vein
67
subclavian vein
continuation of the axillary vein past the clavicle
68
subclavian + _____ = ?
subclavian + jugular veins = brachiocephalic vein
69
relate brachiocephalic vein and artery numbers
2 veins | 1 artery
70
the 2 _____ join to form the superior ____ _____ ?
2 brachiocephalic veins join to form the superior vena cava
71
relate venae comitantes and heat loss
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
3 groups of axillary nodes
palmer surface lateral forearm to arm medial forearm to arm
73
palmar nodes
lymph drainage is from palmar surface to dorsal surface of hand
74
lateral axillary nodes
follow cephalic vein | lymph goes to chain of modes in deltopectoral groove to get to axillary nodes
75
medial axillary nodes
lymph flows to epitrochlear nodes to axillary nodes | above trochlea
76
brachial nodes
medial to humerus | near axillary artery/vein
77
pectoral nodes
lie behind pec m w/ lat thoracic artery drain mammary glands
78
subscapular nodes
along lower border of scapula w/ subscapular artery drain the back
79
central nodes
found within axillary fat drain to apical nodes receive lymph from: brachial, pectoral, subscapular nodes
80
apical nodes
located behind clavicle

Anatomy Exam 2 (9 decks)

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