Vascular Anatomy

Subclavian Artery

Subclavian Artery Begins Left is a branch of the arch of the aorta Right is a branch of innominate artery

Formed behind Sternoclavicular joint Subclavian Artery Formed behind Sternoclavicular joint

Outer border of the 1st rib Subclavian Artery Ends Outer border of the 1st rib Axillary artery

Scalenus anterior divides it into 3 parts Subclavian Artery Divisions Scalenus anterior Scalenus anterior divides it into 3 parts 2 1 3

Subclavian Artery Branches 1st Part Vertebral artery Thyrocervical Trunk 1st Part Internal Mammary

Subclavian Artery Branches Thyrocervical Trunk Inferior Thyroid Transverse Cervical Thyrocervical Trunk Suprascapular

Subclavian Artery Branches Costocervical Trunk 2nd Part

Subclavian Artery Branches 3rd Part Gives no branches

Subclavian Artery Relations Anterior Internal Jugular vein

Suprapleural Membrane Subclavian Artery Relations Lies on Suprapleural Membrane

Axillary Artery

Pectoralis minor divides the axillary artery into 3 parts Course outer border of the 1st rib Pectoralis minor divides the axillary artery into 3 parts lower border of the teres major 1 2 Brachial artery 3

Medial to short head of biceps & coracobrachialis Axillary Artery Relations Lateral to Axillary Vein Medial to short head of biceps & coracobrachialis

Axillary Artery Branches 1ST PART Brachial artery Superior thoracic artery 1ST PART Brachial artery

Axillary Artery Branches 2ND PART Brachial artery Thoracoacromial artery Lateral thoracic artery Brachial artery

Axillary Artery Branches 3RD PART Brachial artery Posterior circumflex humoral 3RD PART Anterior circumflex humoral Subscapular Brachial artery

Femoral Artery

Continuation of the external iliac arteries Femoral Artery Begins Continuation of the external iliac arteries Behind the midinguinal point Femoral artery

Enters Femoral Triangle Femoral Artery Course Enters Femoral Triangle Lies deep to Sartorius

Vastus Medialis anterolateral to it Femoral Artery Ends Passing through an opening in the adductor magnus muscles between its 2 insertions entering Adductor canal Vastus Medialis anterolateral to it Becoming the popliteal artery

Femoral Artery Surface Anatomy Corresponds to the upper ⅔ of a line drawn from the mid-inguinal point to the adductor tubercle

Femoral Artery Branches 3 Superficial Superficial epigastric Superficial circumflex iliac Superficial external pudendal 3 Superficial

Femoral Artery Branches 3 Deep Deep Femoral Deep External Pudendal Descending Genicular 3 Deep