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.