: It travels up the inner arm and joins with the basilic vein to form the axillary vein at the lower border of the teres major muscle. ⚙️ Function
: Due to its extremely close proximity to the median nerve and the brachial artery, blind puncture in this area carries an increased risk of nerve injury and accidental arterial puncture. brachial vein
: It is formed at the elbow by the merging of the ulnar and radial veins. : It travels up the inner arm and
: It provides primary drainage for the deep structures of the arm, such as the humerus bone and upper arm muscles. : It provides primary drainage for the deep
: Because it is a deep vein, it is less visible than superficial veins (like the cephalic or basilic). However, it is frequently used by clinicians for inserting Peripherally Inserted Central Catheters (PICCs) or for creating specialized hemodialysis fistulas.