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Anatomy (cole) > Lecture 28 Blood Supply of upper limb > Flashcards

Lecture 28 Blood Supply of upper limb Flashcards

1
Q

Where does blood supply from the upper limn originate from?

A
  • subclavian arteries
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2
Q

What three main arteries does the aortic arch give rise to?

A
  • brachiocephalic artery
  • left common carotid artery
  • left subclavian artery
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3
Q

What does the brachiocephalic artery give rise to?

A
  • right common carotid artery

- right subclavian artery

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4
Q

What artery passes posterior to the anterior scalene muscle and posterior to the clavicle into the axilla where it becomes the axillary artery?

A
  • subclavian artery
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5
Q

What does the subclavian artery supply?

A
  • pectoral region
  • back
  • posterior shoulder (scapular region)
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6
Q

What does the axillary artery supply?

A
  • posterior shoulder (scapular region)
  • axilla
  • lateral thorax
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7
Q

Brachial artery supplies what?

A
  • arm

- cubital region (elbow)

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8
Q

Where does the brachial artery come from?

A
  • axillary artery
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9
Q

What does the brachial artery split into?

A
  • radial artery

- ulnar artery

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10
Q

What does the radial artery supply?

A
  • cubital region
  • posterior forearm
  • hand
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11
Q

What does the ulnar artery supply?

A
  • cubital region
  • anterior forearm
  • hand
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12
Q

What are the three main branches of part one of the subclavian artery?

A
  • internal thoracic artery
  • vertebral artery
  • thyrocervical arterial trunk
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13
Q

Where does part one of the subclavian artery lie?

A
  • medial to the anterior scalene muscle
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14
Q

Where does part two of the subclavian artery lie?

A
  • posterior to the anterior scalene muscle
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15
Q

Where does part three of the subclavian artery lie?

A
  • lateral to the anterior scalene muscle
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16
Q

What does part two of the subclavian artery give rise to?

A
  • costocervical trunk
  • -(supreme intercostal a)
    • (Deep cervical a.)
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17
Q

Does part three of the subclavian artery have branches?

A
  • typically no arterial branches but sometimes dorsal scapular a. will arise here
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18
Q

What are the branches of the thryocervical arterial trunk?

A
  • transverse cervical artery
  • inferior thyroid artery
  • ascending cervical artery
  • suprascapular artery
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19
Q

What branch of the thyrocervical trunk gives rise to the dorsal scapular a.?

A
  • transverse cervicle artery

sometimes the dorsal scapular a. will come off of part 3

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20
Q

What does the costocervical trunk give rise to?

A
  • supreme intercostal artery

- deep cervical artery

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21
Q

What is the point at which the subclavian artery becomes the axillary artery?

A
  • lateral border of first rib
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22
Q

Where is part one of the axillary artery in relation to the pectoralis minor muscle?

A
  • proximal and medial
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23
Q

what does part one of of the axillary artery give rise to?

A
  • superior thoracic artery
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24
Q

Where does part two of the axillary artery lie?

A
  • posterior to the pectoralis minor muscle
25
Q

Where does part 3 of the axillary artery lie?

A
  • distal and lateral to pectoralis minor m.
26
Q

What does part 2 of the axillary artery give rise to?

A
  • thoracoacromial trunk

- lateral thoracic artery

27
Q

What does part 3 of the axillary artery give rise to?

A
  • subscapular artery
  • anterior circumflex humeral
  • poster circumflex humeral
28
Q

What does the thoracoacromial trunk give off?

A
  • pectoral branch
  • deltoid branch
  • acromial branch
  • clavicular branch
29
Q

What does the subscapular artery give off?

A
  • circumflex scapular

- thoracodorsal a.

30
Q

Where does the superior thoracic artery pass? (part 1 of axillary)

A
  • passes between pectoralis major and pectoralis minor to supply the first and second intercostal spaces and the superior part of the serratus anterior
31
Q

What artery descends along lateral border of pectoralis minor m. to lateral thoracic wall; supplies pectoral, serratus, anterior, and intercostal muscles, and lateral aspect of breast?

A
  • lateral thoracic artery
32
Q

What part of the axillary artery does the lateral thoracic come from?

A
  • part 2
33
Q

What four branches does the thoracoacromial trunk have, and what part of the axillary a. is it a part of?

A
  1. pectoral branch
  2. deltoid branch
  3. acromial branch
  4. clavicular branch

It is part 2 of axillary artery

34
Q

____ is the largest branch of the axillary artery, descends along lateral border of scapularis m, and divides into circumflex scapular a. and thoracodorsal a.

A
  • Sub scapular artery
35
Q

What artery curves around the lateral border of the scapula to enter infraspinous fossa and anastomose with suprascapular a; of primary importance in scapular anastomoses?

A
  • circumflex scapular a.
36
Q

What arter has a lesser contribution to scapular anastomoses but principally supplies latissimus dorsi muslce?

A
  • thoracodorsal artery
37
Q

_____ is smaller; anterior around neck of humerus

A
  • anterior circumflex humeral a.
38
Q

_______ is larger, posterior around surgical neck of humerus and emerges in quadrangular space at back of shoulder/scapular region with axillary n.

A
  • posterior circumflex humeral artery
39
Q

What artery supplies deltiod, teres major, teres minor, and long head of triceps muscles

A
  • posterior circumflex humeral artery
40
Q

What are the anastomosing arterial branches?

A
  1. Suprascapular artery
  2. Dorsal scapular artery
  3. Posterior intercostal arteries
  4. circumflex scapular artery
  5. thoracodorsal artery
41
Q

What are the three most important anastomosing arterial branches?

A
  1. Suprascapular artery
  2. Dorsal scapular artery
  3. circumflex scapular artery
42
Q

Why is anastomoses between the dorsal scapular artery and circumflex scapular artery important?

A
  • if there is blood flow occlusion superior to sub scapular artery the dorsal scapular artery can flow through circumflex scapular branch to supply arm and hand.
43
Q

Where does the brachial artery begin?

A
  • inferior border of teres major m.
44
Q

What is the biggest branch of the brachial artery?

A
  • profunda brachii
45
Q

What other branches does the brachial a give off?

A
  • superior ulnar collateral

- inferior ulnar collateral

46
Q

What are cubital anastomoses

A
  • anastomoses between brachial a. and either radial or ulnar a.
47
Q

What does the ulnar a. turn into?

A
  • superficial palmar arch
48
Q

What does the radial a. turn into?

A
  • deep palmar arch
49
Q

What are the anastomoses between the brachial artery and ulnar artery?

A
  • Superior ulnar collateral artery with posterior ulnar recurrent
  • Inferior ulnar collateral with anterior ulnar recurrent
50
Q

What are the anastomoses between deep brachial artery - radial and interosseous areries

A
  • Radial collateral a. - radial recurrent a.

- middle collateral a - interosseous recurrent a.

51
Q

What branches does the ulnar a. give off?

A
  • anterior ulnar recurrent a.
  • posterior ulnar recurrent a.
  • common inerosseous a.
52
Q

What does the common interosseous a. give off?

A
  • anterior interosseous
  • posterior interosseous
  • recurrent interosseous a.
53
Q

Where does the radial recurrent artery come from?

A
  • the radial artery
54
Q

Where does the radial collateral artery come from?

A
  • brachial artery (profunda brachii)
55
Q

What are two main superficial veins of upper limb?

A
  • cephalic and baslic veins
56
Q

Why can you not take blood from basilic vein?

A
  • could puncture brachial artery or surrounding nerves
57
Q

What veins do you most commonly draw blood from?

A
  • cephalic and median cubital vein
58
Q

The ____ enters the deltopectoral traingle and drains into the axillary vein

A
  • cephalic vein (lateral)
59
Q

The _____ vein enters the basilic hiatus to join with brachial veins and become axillary vein

A
  • basilic vein (medial)

Anatomy (cole) (15 decks)

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