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Questions and Answers
Which Axillary artery branch supplies the teres major muscle and latissimus dorsi muscle?
Which Axillary artery branch supplies the teres major muscle and latissimus dorsi muscle?
What is the name of the artery that supplies the triceps muscle group?
What is the name of the artery that supplies the triceps muscle group?
Respectively, what is the name of the artery and associated branch at number 3?
Respectively, what is the name of the artery and associated branch at number 3?
Which Axillary artery supplies the shoulder joint and the biceps brachii muscle?
Which Axillary artery supplies the shoulder joint and the biceps brachii muscle?
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Respectively, what is the name of the artery and associated branch at number 3?
Respectively, what is the name of the artery and associated branch at number 3?
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How many branches does the common interosseous artery have that supply the antebrachium?
How many branches does the common interosseous artery have that supply the antebrachium?
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Respectively, what is the name of the artery and associated branch at number 1?
Respectively, what is the name of the artery and associated branch at number 1?
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What is the name of the Brachial artery that dives deep into the elbow joint?
What is the name of the Brachial artery that dives deep into the elbow joint?
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Respectively, what is the name of the artery and associated branch at number 2?
Respectively, what is the name of the artery and associated branch at number 2?
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Which of the following arteries is NOT a branch of the axillary artery?
Which of the following arteries is NOT a branch of the axillary artery?
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Respectively, what is the name of the artery and associated branch at number 1?
Respectively, what is the name of the artery and associated branch at number 1?
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Which Brachial artery is a large branch that runs deep to the medial head of the triceps muscle to the caudal elbow?
Which Brachial artery is a large branch that runs deep to the medial head of the triceps muscle to the caudal elbow?
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Respectively, what is the name of the artery and associated branch at number 6?
Respectively, what is the name of the artery and associated branch at number 6?
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What is the relationship between the deep veins of the forelimb and the arteries of the same name?
What is the relationship between the deep veins of the forelimb and the arteries of the same name?
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Respectively, what is the name of the artery and associated branch at number 2?
Respectively, what is the name of the artery and associated branch at number 2?
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Which Brachial artery supplies the cranial surface and superficial brachium?
Which Brachial artery supplies the cranial surface and superficial brachium?
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Respectively, what is the name of the artery and associated branch at number 2?
Respectively, what is the name of the artery and associated branch at number 2?
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Which artery is the principal blood supply to the manus (front paw)?
Which artery is the principal blood supply to the manus (front paw)?
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Respectively, what is the name of the artery and associated branch at number 5?
Respectively, what is the name of the artery and associated branch at number 5?
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What is the role of the medial cubital vein in the forelimb?
What is the role of the medial cubital vein in the forelimb?
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Respectively, what is the name of the artery and associated branch at number 1?
Respectively, what is the name of the artery and associated branch at number 1?
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What is the destination of the blood drained by the cephalic vein?
What is the destination of the blood drained by the cephalic vein?
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What is the main function of the cephalic vein in the forelimb?
What is the main function of the cephalic vein in the forelimb?
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What is the primary function of the collateral circulation in the forelimb?
What is the primary function of the collateral circulation in the forelimb?
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Respectively, what is the name of the artery and associated branch at number 4?
Respectively, what is the name of the artery and associated branch at number 4?
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Which of the following arteries supplies the flexor muscles of the antebrachium?
Which of the following arteries supplies the flexor muscles of the antebrachium?
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Respectively, what is the name of the artery and associated branch at number 4?
Respectively, what is the name of the artery and associated branch at number 4?
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Which of the following muscles is supplied by the lateral thoracic artery?
Which of the following muscles is supplied by the lateral thoracic artery?
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Study Notes
Veins of the Forelimb
- The cephalic vein is important for venipuncture and catheter placement and drains into the external jugular vein, then to the cranial vena cava, and finally to the right atrium of the heart.
- The medial cubital vein links the cephalic vein to the brachial vein for deep vein drainage.
Deep Veins
- Deep veins are satellites to arteries of the same name.
Collateral Circulation
- Collateral circulation involves multiple arterial branches supplying one given area or muscle.
- If one artery is blocked, collateral blood flow prevents necrosis in the servicing region.
Arteries of the Forelimb
- The main arteries of the forelimb include the subclavian artery, axillary artery, brachial artery, and median artery.
- The axillary artery has four branches: external thoracic artery, lateral thoracic artery, subscapular artery, and cranial circumflex humeral artery.
Branches of the Axillary Artery
- The external thoracic artery supplies the superficial pectoral muscle.
- The lateral thoracic artery supplies the axillary lymph node, deep pectoral muscle, latissimus dorsi muscle, and cutaneous trunci muscle.
- The subscapular artery supplies the subscapularis muscles, part of the teres major muscle, and the scapula, and has two branches: thoracodorsal and caudal circumflex humeral.
- The thoracodorsal artery branch supplies the teres major muscle and latissimus dorsi muscle.
- The caudal circumflex humeral artery branch courses laterally between the humerus and teres major muscle, supplying the shoulder joint.
- The cranial circumflex humeral artery supplies the biceps brachii muscle and the shoulder joint.
Branches of the Brachial Artery
- The brachial artery has six branches: deep brachial artery, bicipital artery, collateral ulnar artery, superficial brachial artery, transverse cubital artery, and common interosseous artery.
- The deep brachial artery supplies the triceps muscle group.
- The bicipital artery supplies the biceps brachii muscle distally.
- The collateral ulnar artery is a large branch that runs deep to the medial head of the triceps muscle to the caudal elbow.
- The superficial brachial artery supplies the cranial surface and superficial brachium.
- The transverse cubital artery supplies the cranial elbow, diving deep into the elbow joint.
- The common interosseous artery is short and dives between the radius and ulna, having three branches that supply the antebrachium.
Median Artery
- The median artery is the principal blood supply to the manus (front paw), passing through the carpal canal.
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Description
Test your knowledge of the veins of the forelimb, including the cephalic and medial cubital veins and their importance in venipuncture and catheter placement.
