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Anatomy > Veins, Arteries, Nerves: Test 2 > Flashcards

Veins, Arteries, Nerves: Test 2 Flashcards

0
Q

Course of suprascapular artery

A

Inferolaterally: anterior scalene, phrenic n, subclavian a, brachial plexus (lateral and parallel to clavicle)

Laterally: supraspinous fossa to scapular spine to infraspinous fossa

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1
Q

Suprascapular Artery Origin

A

Thyrocervical

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2
Q

Origin of posterior circumflex humeral artery

A

Third part of axillary artery

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3
Q

Course of posterior circumflex humeral artery

A

Encircles surgical neck of humerus
Anastomoses with anterior branch
Traverses quadrangular space

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4
Q

Origin of suprascapular nerve

A

Superior trunk

C5,C6, often C4

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5
Q

Course of suprascapular nerve

A

Passes across posterior cervical triangle above brachial plexus
Through scapular notch deep to transverse scapular ligament

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6
Q

Innervation of suprascapular nerve

A

Supraspinatus
Infraspinatus
Glenohumeral joint

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7
Q

Origin of axillary nerve

A

Terminal branch of posterior cord

Receives fibers from C5, C6

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8
Q

Course of axillary nerve

A

Posteriorly exits axillary fossa and passes through quadrangular space with posterior circumflex humeral artery

Gives rise to superior lateral brachial cutaneous nerve
Winds around surgical neck of humerus deep to deltoid

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9
Q

Innervation of axillary nerve

A

Glenohumeral joint
Teres minor
Deltoid
Skin over inferior deltoid

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10
Q

Course of cephalic vein

A

Lateral dorsal network down lateral arm/forearm to lateral wrist

Passes over deltoid, pec major, clavipectoral triangle, costocoracid membrane, terminal part of axillary vein

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11
Q

Course of basilic vein

A

Medial end of dorsal veinous network along medial side of forearm

Parallel with brachial artery

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12
Q

Branches of the axillary artery

A 
Superior thoracic
Thoraco-acromial
Lateral thoracic
Circumflex humeral (anterior and posterior)
Subscapular
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13
Q

Course of superior thoracic artery

A

Pec minor, pec major, thoracic wall, first/second intercostal space, serratus anterior

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14
Q

Course of thoraco-acromial artery

A

Curls around superior medial border of pec minor, pierces costocoracid membrane

Divides into 4 branches: pectoral, deltoid, acromial, clavicular

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15
Q

Course of lateral thoracic artery

A

Axillary border of pec minor, thoracic wall, lateral breast

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16
Q

Course of subscapular artery

A

Inferior border of subscapularis, lateral scapula, divides into circumflex scapular and thoracodorsal arteries

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17
Q

Branches of the brachial artery

A

Profunda brachii artery
Superior ulna collateral
Inferior ulna collateral

18
Q

Course of profunda brachii artery

A

Accompanies radial nerve along radial groove of humerus
Supplies posterior arm
Anastomoses around elbow

19
Q

Course of superior ulna collateral

A

Accompanies ulnar nerve to posterior elbow

Anastomoses with posterior ulnar recurrent artery

20
Q

Course of inferior ulnar collateral

A

Passes anterior to medial epicondyle of humerus to anastomoses with anterior ulnar recurrent artery

21
Q

Branches of subclavian artery

A

Internal thoracic

Thyrocervical trunk

22
Q

Course of internal thoracic artery

A

Sternal end of clavicle, 1st costal cartilage, thorax

Gives rise to perforating branches (anterior intercostal, musculophrenic, superior epigastric)

23
Q

Course of thyrocervical trunk artery

A

Ascends as short trunk giving rise to inferior thyroid artery and cervicodorsal trunk

Suprascapular and dorsal scapular arteries arise from cervicodorsal trunk

24
Q

Origin/termination of brachial artery

A

Continuation of axillary artery
Begins at inferior teres major
Ends at cubital fossa

25
Q

What two arteries does the brachial artery give rise to?

A

Radial and ulnar arteries

26
Q

What nerve does the brachial artery accompany?

A

Median nerve

27
Q

Where is the brachial artery palpable?

A

Median bicipital groove

28
Q

Where does the ulnar artery begin and end?

A

Begins as branch of brachial artery in cubital fossa

Ends in hand

29
Q

Where is the ulnar artery palpable?

A

Lateral side of flexor carpi ulnaris (FCU) tendon

30
Q

Course of ulnar artery

A

Anterior/medial forearm:
Under pronator teres, palmaris longus, flexor digitorum
Passes flexor retinaculum at wrist in ulnar (Guyon) canal
Enters hand

31
Q

Where does the radial artery begin and end?

A

Begins as branch of brachial artery in cubital fossa

Ends by passing through floor of anatomical snuff box to enter hand

32
Q

Where is radial artery palpable?

A

Distal radius between tendons of FCR and APL

33
Q

Course of radial artery

A

Lateral:

Under brachioradialis, winds around radius, crosses floor of snuff box, pierces 1st dorsal interosseous muscle in hand

34
Q

Origin of median nerve

A

Union of lateral root of media nerve with medial root of medial cord

C6-C8

35
Q

Course of median nerve

A

Runs medial to brachial artery and enters cubital fossa
Descends to pass pronator teres, flexor dig. superficialis/profundus
Traverses carpal tunnel

36
Q

What does the median nerve innervate?

A

Thumb, index, and middle fingers

Anterior lateral half of palm

37
Q

Origin of ulnar nerve

A

Larger terminal branch of medial cord of brachial plexus

C8 and T1

38
Q

Course of ulnar nerve

A

Passes between heads of FCU to enter forearm
Passes posterior to medial epicondyle
Descends between FCU and FDP

39
Q

What does the ulnar nerve innervate?

A

Pinky and third finger

Medial half of hand (anterior and posterior)

40
Q

Origin of radial nerve

A

Larger terminal branch of posterior cord of brachial plexus

C5-T1

41
Q

Course of radial nerve

A

Enters cubital fossa between brachioradialis and brachialis
Passes anterior lateral epicondyle
Divides into terminal superficial and deep branches

42
Q

What does the radial nerve innervate?

A

Snuff box

Posterior lateral half of hand

Anatomy (11 decks)

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