Exam 1 - Back and Upper Limb Arteries Flashcards
What is the source of the Subclavian artery?
brachiocephalic a. (right), aortic arch (left)
What are the branches of the Subclavian artery?
1st part: vertebral a., thyrocervical trunk, internal thoracic a.; 2nd part: costocervical trunk; 3rd part: dorsal scapular a. (70%)
What does the Subclavian artery supply?
neck, brain, spinal cord, thyroid gland, larynx, shoulder, chest muscles, upper limb
What does the Subclavian change into and where does this occur?
subclavian a. is continuous with the axillary a., the name change occurs at the lateral border of the first rib; anterior scalene muscle passes anterior to the subclavian a., dividing it into 3 parts
What is the source of the Dorsal Scapular artery?
subclavian a., 3rd part
What are the branches of the Dorsal Scapular artery?
unnamed muscular branches
What does the Dorsal Scapular artery supply?
levator scapulae m., rhomboideus major m., rhomboideus minor m.
What is the source of the Axillary artery?
subclavian a. (axillary a. is the continuation of the subclavian lateral to the 1st rib)
What are the branches of the Axillary artery?
1st part: superior thoracic a.; 2nd part: thoracoacromial a., lateral thoracic a.; 3rd part: subscapular a., anterior humeral circumflex a., posterior humeral circumflex a.
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What does the Axillary artery supply?
pectoral region, shoulder region and upper limb
Where are the three parts of the Axillary artery?
1st, 2nd and 3rd regions. Pectoralis minor m. crosses anterior to the axillary artery and is used to delineate the 3 parts.
What is the source of the Superior Thoracic artery?
axillary a., 1st part
What are the branches of the Superior Thoracic artery?
unnamed muscular branches
What does the Superior Thoracic artery supply?
muscles of intercostal spaces 1 and 2
What is the source of the Thoracoacromial artery?
axillary a., 2nd part
What are the branches of the Thoracoacromial artery?
pectoral br., clavicular br., acromial br., deltoid br.
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What does the Thoracoacromial artery supply?
pectoralis major m., pectoralis minor m., subclavius m., deltoid m., shoulder joint
What is the source of the Lateral Thoracic artery?
axillary, 2nd part
What are the branches of the Lateral Thoracic artery?
unnamed muscular branches
What does the Lateral Thoracic artery supply?
serratus anterior m., parts of adjacent muscles, skin and fascia of the anterolateral thoracic wall
What is the source of the Subscapular artery?
axillary a., 3rd part
What are the branches of the Subscapular artery?
circumflex scapular a., thoracodorsal a.
What does the Subscapular artery supply?
subscapularis m., teres major m., teres minor m., infraspinatus m.
What is the source of the Thoracodorsal artery?
subscapular a.
What are the branches of the Thoracodorsal artery?
unnamed muscular branches
What does the Thoracodorsal artery supply?
latissimus dorsi m.
What is the source of the Circumflex Scapular artery?
subscapular a.
What are the branches of the Circumflex Scapular artery?
unnamed muscular branches
What does the Circumflex Scapular artery supply?
teres major m., teres minor m., infraspinatus m.
What is the source of the Anterior Circumflex Humeral artery?
axillary a., 3rd part
What are the branches of the Anterior Circumflex Humeral artery?
unnamed muscular branches
What does the Anterior Circumflex Humeral artery supply?
deltoid m.; arm muscles near the surgical neck of the humerus
What is the source of the Posterior Circumflex Humeral artery?
axillary a., 3rd part
What are the branches of the Posterior Circumflex Humeral artery?
unnamed muscular branches
What does the Posterior Circumflex Humeral artery supply?
deltoid; arm muscles near the surgical neck of the humerus
What is the source of the Brachial artery?
axillary a. (brachial a. is the continuation of the axillary a. distal to the teres major m.)
What are the branches of the Brachial artery?
deep brachial a., superior ulnar collateral a., inferior ulnar collateral a.; terminal branches are the radial a. and the ulnar a.
What does the Brachial artery supply?
arm, forearm and hand
What is the source of the Profunda brachii (Deep brachial) artery?
brachial a.
What are the branches of the Profunda brachii (Deep brachial) artery?
terminal branches are the middle collateral a. and radial collateral a.
What does the Profunda brachii (Deep brachial) artery supply?
muscles and tissues of the posterior compartment of the arm
What is the source of the Radial Collateral artery?
deep brachial (profunda brachii) a.
What are the branches of the Radial Collateral artery?
unnamed muscular branches
What does the Radial Collateral artery supply?
lower lateral arm
What is the source of the Middle Collateral artery?
deep brachial (profunda brachii) a.
What are the branches of the Middle Collateral artery?
unnamed muscular branches
What does the Middle Collateral artery supply?
medial head of triceps, anconeus
What does the Middle Collateral artery anastomosis with?
anastomoses with the interosseous recurrent a. (a branch of the Posterior Interosseous a.)
What does the Radial Collateral artery anastomosis with?
anastomoses with the radial recurrent a.
What is the source of the Superior Ulnar Collateral artery?
brachial a.
What are the branches of the Superior Ulnar Collateral artery?
unnamed muscular branches
What does the Superior Ulnar Collateral artery supply?
medial arm muscles
What does the Superior Ulnar Collateral artery anastomosis with?
anastomoses with posterior ulnar recurrent a.
What is the source of the Inferior Ulnar Collateral artery?
brachial a.
What are the branches of the Inferior Ulnar Collateral artery?
unnamed muscular branches
What does the Inferior Ulnar Collateral artery supply?
lower medial arm
What does the Inferior Ulnar Collateral artery anastomosis with?
anastomoses with the anterior ulnar recurrent a.
What is the source of the radial artery?
brachial a.
What are the branches of the radial artery?
radial recurrent a., (palmar carpal br., superficial palmar br., dorsal carpal br., 1st dorsal metacarpal a., princeps pollicis a., radialis indicis a.), deep palmar arterial arch
What does the radial artery supply?
posterior elbow, posterior forearm, posterior hand, deep portion of palmar side of the hand, thumb
What is the source of the Radial Recurrent artery?
radial a.
What are the branches of the Radial Recurrent artery?
unnamed muscular branches
What does the Radial Recurrent artery supply?
lateral side of the elbow and adjacent extensor muscles
What does the Radial Recurrent artery anastomosis with?
radial recurrent a. anastomoses with the radial collateral a.; it courses in the groove between the brachioradialis m. and the brachialis m.
What is the source of the Deep Palmar Arterial Arch?
radial a. (mostly), deep br. of ulnar a.
What are the branches of the Deep Palmar Arterial Arch?
palmar metacarpal aa. (2nd-4th), perforating brs.
What does the Deep Palmar Arterial Arch supply?
deep palm, digits including the dorsum of the distal phalangeal segment
What is the source of the UInar artery?
brachial a.
What are the branches of the Ulnar artery?
anterior ulnar recurrent a., posterior ulnar recurrent a., common interosseous a., (palmar carpal br., dorsal carpal br., deep palmar br.), superficial palmar arterial arch
What does the Ulnar artery supply?
medial side of the anterior forearm, posterior forearm, superficial palm, fingers
Where does the Ulnar and Radial arteries branch off of the Brachial?
it normally arises at the level of the elbow, but high branching of the brachial a. may cause the ulnar a. to arise as far proximally as the axilla
What is the source of the Anterior Ulnar Recurrent artery?
Ulnar artery
What are the branches of the Anterior Ulnar Recurrent artery?
unnamed muscular brs.
What does the Anterior Ulnar Recurrent artery supply?
medial side of elbow and proximal ends of forearm flexor mm.
What does the Anterior Ulnar Recurrent artery anastomosis with?
anterior ulnar recurrent a. often anastomoses with the Inferior Ulnar Collateral a.
What is the source of the Posterior Ulnar Recurrent artery?
Ulnar artery
What are the branches of the Posterior Ulnar Recurrent artery?
unnamed muscular branches
What does the Posterior Ulnar Recurrent artery supply?
medial side of the elbow, forearm flexor mm.
What does the Posterior Ulnar Recurrent artery anastomosis with?
posterior ulnar recurrent a. often anastomoses with the Superior Ulnar Collateral a.
What is the source of the Common interosseous artery?
ulnar a.
What are the branches of the Common Interosseous artery?
anterior interosseous a., posterior interosseous a.
What does the Common Interosseous artery supply?
deep structures of the forearm
What is the source of the Posterior Interosseous artery?
Common Interosseous artery
What are the branches of the Posterior Interosseous artery?
Interosseous recurrent artery
What does the Posterior Interosseous artery supply?
muscles of the posterior (extensor) forearm compartment: supinator m., abductor pollicis longus m., extensor pollicis longus m., extensor pollicis brevis m., extensor indicis m.
What is the source of the Anterior Interosseous artery?
Common Interosseous artery
What are the branches of the Anterior Interosseous artery?
muscular brs.; a. of the median nerve
What does the Anterior Interosseous artery supply?
flexor pollicis longus m., flexor digitorum profundus m., pronator quadratus m., radius, ulna, carpal bones
What is the source of the Superficial Palmar Arterial arch?
ulnar a. (mostly), superficial palmar br. of the radial a.
What are the branches of the Superficial Palmar Arterial arch?
common palmar digital aa. (3)
What does the Superficial Palmar Arterial arch supply?
superficial palm, palmar surface of the digits excluding thumb, dorsum of the distal phalangeal segments of digits 2-5
What is the source of the Common Palmar Digital artery?
superficial palmar arterial arch
What are the branches of the Common Palmar Digital artery?
proper palmar digital aa. (2)
What does the Common Palmar Digital artery supply?
palmar aspect two adjacent digits
What is the source of the Proper Palmar Digital arteries?
common palmar digital a.
What does the Proper Palmar Digital arteries supply?
palmar aspect of each digit