Arteries of Shoulder and Arm

Question 1

1

Answer 1

subclavian artery

Question 2

2

Answer 2

suprascapular artery

origin: thyrocervical trunk

Question 3

3

Answer 3

axillary artery

Question 4

4

Answer 4

thoraco-acromial artery

origin: second part of axillary artery
course: curls around the superomedial border of the pectoralis minor

Question 5

5 and 6

Answer 5

5. posterior circumflex humeral artery
6. anterior circumflex humeral artery

origin: third part of axillary artery
course: encircles surgical neck of humerus, anastomosing with each other laterally; larger posterior branch transverses quadrangular space

Question 6

7

Answer 6

subscapular artery

origin: third part of axillary artery
course: descends from level of inferior border of subscapularis along lateral border of scapula;
divides into terminal branches (circumflex scapular and thoracodorsal arteries)

Question 7

8

Answer 7

brachial artery

Question 8

9

Answer 8

profunda brachii artery (deep artery of arm)

origin: brachial artery

Question 9

10

Answer 9

lateral thoracic artery

origin: the second part of the axillary artery
course: descends along the axillary border of the pectoralis minor, follows it onto thoracic wall
supplies: lateral aspect of the breast

Question 10

11

Answer 10

superior and inferior ulnar collateral arteries

origin: brachial artery

Question 11

12

Answer 11

inferior thyroid artery

Question 12

13

Answer 12

thyrocervical trunk

origin: anterior surface of first part of the subclavian artery
course: gives rise to two branches (inferior thyroid and cervicodorsal trunk - arising from the thoracodorsal trunk are the suprascapular and dorsal scapular arteries)

Question 13

14

Answer 13

vertebral artery

Question 14

15

Answer 14

right and left common carotid arteries

Question 15

16

Answer 15

brachiocephalic trunk

Question 16

17

Answer 16

internal thoracic artery

origin: inferior surface of first part of subclavian artery

Question 17

18

Answer 17

superior thoracic artery (branch of axillary artery - the highest thoracic artery)