Arteries of the Thoracic Limb Dr. Z. Tootian D.V.M, Ph.D

Subclavian Artery Subclavian Artery  Superficial Cervical  on 1 st Rib  Axillary Artery

Axillary a.  Between Subscapularis & Teres Major  Change to  Brachial a.

Axillary a. Brachial a. Subscapular a.

Main Branches of Axillary a.: 1. External Thoracic a. 2. Suprascapular a. 3. Subscapular a.

Subclavian a. Axillary a. External Thoracic a. Suprascapular a.

1. External Thoracic a.:  Pectoral Group  In Bovine  Deltoid Branch

2. Suprascapular a.: I. Supraspinatus Muscle II. Subscapularis Muscle III. Cranial Surface of Shoulder Joint

Suprascapular a.

3. Subscapular a.: I. Subscapularis Muscle II. Teres Major Muscle Subscapular a. has 2 Main Branches: A. Thoracodorsal a.: a-1:Teres Major Muscle a-2: Latissimus dorsi Muscle B. Caudal Circumflex Humeral a.: b-1: Brachialis Muscle b-2: Triceps Brachi Muscle 1. Proximal  Anastomose with Cranial Circumflex Humeral a. 2. Distal (Collateralis Radialis a.)  Anastomose with Transverse Cubital a. At Elbow region

Subscapular a.

Caudal circumflex Humeral a. Thoracodorsal a. Collateralis Radialis a.

Brachial a.: Maine Branches: 1. Cranial Circumflex Humeral 1-1 Biceps Brachi 1-2 Coracobrachialis Anastomose with Caudal Circumflex Humeral 2. Deep Brachial (Profunda brachi) 2-1 Triceps Brachi Anastomose with Collateral Ulnar 3. Bicipital a. 3-1 Biceps brachi

Cranial circumflex Humeral a. Deep Brachial a.

Brachial a. 3. Collateral Ulnar a.: 3-1 Triceps brachi 3-2 Flexor digitorum profundus 3-3 Pectoralis transverse 3-4 Anconeous 4. Transverse cubital a.: a. Proximal Branch (Bicipital) b. Distal Branch

Collateral ulnar a.Transverse cubital a.

Brachial a.: 5. Common Interosseous a. Cranial interosseous b. Caudal interosseous

Common interosseous a. Caudal interosseous a. Cranial interosseous a.

Median a.: Main Branches: 1. Profunda antebrachi 2. Radial a. 2-1 Dorsal carpal branch 2-2 Articular branch 2-3 Common trunk branch

Profunda Antrbrachi a. Radial a.