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Anatomy > Exam 3 - Thoracic Limb Circulation > Flashcards

Exam 3 - Thoracic Limb Circulation Flashcards

1
Q

Where are the main arterial branches of the thoracic limb found?

A

on the caudomedial aspect of the limb

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2
Q

What set of veins do not have accompanying arteries?

A

the superficial set

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3
Q

How does the subclavian become the digital?

A

subclavian to axillary to brachial to median to digital

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4
Q

What is the axillary artery a continuation of?

A

the subclavian

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5
Q

Where does the axillary artery emerge?

A

from the cranial border of the first rib

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6
Q

What does the axillary artery cross?

A

the axillary space and enters the thoracic luimb

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7
Q

What does the axillary artery supply?

A

the shoulder

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8
Q

What are the branches of the axillary artery?

A

the external thoracic, lateral thoracic, subscapular artery, and cranial circumflex humeral artery

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9
Q

What does the external thoracic artery supply?

A

the pectoral muscles

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10
Q

What does the lateral thoracic artery supply?

A

latissimus dorsi

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11
Q

Where does the subscapular artery run?

A

caudal to the shoulder joint

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12
Q

What does the subscapular artery supply?

A

the shoulder joint, extensors and flexors of the elbow joint

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13
Q

What does the cranial circumflex humeral artery supply?

A

the brachialis and part of the triceps

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14
Q

When does the axillary artery become the brachial artery?

A

when the axillary gives off the cranial circumflex humeral

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15
Q

Where is the brachial artery located?

A

on the medial aspect of the humerus

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16
Q

What artery can the pulse be taken from?

A

the brachial artery

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17
Q

What does the brachial artery supply?

A

the brachium; branches supply the antebrachium and manus

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18
Q

What are the branches of the brachial artery?

A

deep brachial artery, bicipital artery, superficial antebrachial artery, collateral ulnar. transverse or median cubital, common interosseous artery

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19
Q

What does the deep brachial artery supply?

A

the triceps muscle

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20
Q

What does the bicipital artery supply?

A

the biceps muscle

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21
Q

What does the superficial antebrachial artery supply?

A

the skin over the dorsal aspect of the manus and digits

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22
Q

What does the collateral ulnar artery supply?

A

the elbow joint and caudomedial muscles of the antebrachium

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23
Q

What does the transverse or median cubital artery supply?

A

the carpal and digital extensors

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24
Q

Where does the common interosseous artery go?

A

into the interosseous space between the radius and the ulna

25
Q

What are the branches of the common interosseous artery?

A

ulnar artery, cranial interosseous artery, caudal interosseus artery

26
Q

Where does the caudal interosseous artery run?

A

between the interosseous membrane/muscle and pronator quadratus, through the carpal canal

27
Q

What does the caudal interosseous artery supply?

A

the superficial and deep palmar arches

28
Q

When does the brachial artery become the median artery?

A

when the brachial artery gives off the common interosseous artery

29
Q

what is the main artery of the antebrachium and the manus?

A

the median artery

30
Q

Where does the median artery course?

A

the deep face of the flexor carpi ulnaris in the antebrachial region

31
Q

What are the branches of the median artery?

A

deep antebrachial artery and the radial artery

32
Q

What does the deep antebrachial artery supply?

A

carpal and digital flexors

33
Q

Where is the radial artery located?

A

on the medial aspect of the radius

34
Q

What does the radial artery do at the carpus?

A

gives off a branch to the dorsal carpal rete and a palmar branch to join the caudal interosseous artery in forming the deep palmar arch

35
Q

When is the superficial palmar arch created?

A

when the median artery continues through the carpal canal

36
Q

What is the minor dorsal supply to the manus?

A

superficial set from the superficial brachial artery

deep set derived from the dorsal carpal rete

37
Q

What forms the dorsal common digital arteries on the metacarpus?

A

the superficial antebrachial arteries (superficial structures)

38
Q

What do the dorsal common digital arteries divide into?

A

the dorsal axial and abaxial proper digital arteries

39
Q

What are the branches derived from the dorsal carpal rete?

A

the dorsal metacarpal arteries

40
Q

What does the palmar aspect of the manus recieve blood supply from?

A

the superficial palmar arch and the deep palmar arch

41
Q

Where is the superficial palmar arch located?

A

between the superficial digital flexor adn the deep digital flexor

42
Q

What is the superficial palmar arch fromed by?

A

the median artery and the caudal interosseous

43
Q

What does the superficial palmar arch give rise to?

A

palmar common digital arteries which further divide into the palmar axial and abaxial proper digital arteries

44
Q

Where does the deep palmar arch lie?

A

deep to the interossei muscles

45
Q

What is the deep palmar arch formed by?

A

a branch of the caudal interosseous and palmar branch of the radial artery

46
Q

What gives rise to the palmar metacarpal arteries?

A

the fusion of the ulnar artery and the caudal interosseous artery in the carpal canal

47
Q

A cut to what region causes a considerable haemorrhage?

A

the palmar manus

48
Q

What does the superficial arrangement aid in?

A

diffusion of concussion and thermoregulation

49
Q

Which set of veins follows the arteries of the thoracic limb?

A

the deep set

50
Q

What is the superficial set of veins used for?

A

thermoregulation

51
Q

What is the main superficial vein?

A

the cephalic vein

52
Q

Where is the cephalic vein located?

A

on the cranial aspect of the antebrachium

53
Q

What is the cephalic vein useful for?

A

blood sampling and intravenous injections

54
Q

How does the cephalic vein run in order to feed into the external jugular?

A

proximally the cephalic runs deep to the brachiocephalicus

55
Q

What is the omobrachial vein a branch off of?

A

the cephalic vein

56
Q

Where does the omobrachial vein run?

A

superficial to the shoulder joint, over the greater tubercle of the humerus, and between the brachiocephalicus and the omotransversarius to join the external jugular

57
Q

What is the function of the median cubital vein?

A

to connect the cephalic vein and the median vein on the flexor aspect of the elbow

58
Q

What is the function of the axillobrachial vein?

A

connect the cephalic vein and the axillary vein on the medial aspect of the shoulder

Anatomy (27 decks)

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