Basilic vein

As it ascends the medial side of the biceps in the arm proper (between the elbow and shoulder), the basilic vein normally perforates the brachial fascia (deep fascia) superior to the medial epicondyle, or even as high as mid-arm.^{[citation needed]}

Near the region anterior to the cubital fossa (in the bend of the elbow joint), the basilic vein usually communicates with the cephalic vein (the other large superficial vein of the upper extremity) via the median cubital vein. The layout of superficial veins in the forearm is highly variable from person to person, and there is a profuse network of unnamed superficial veins that the basilic vein communicates with.^{[citation needed]}

Around the inferior border of the teres major muscle and just proximal to the basilic vein's termination, the anterior and posterior circumflex humeral veins drain into it.^{[citation needed]}

Along with other superficial veins in the forearm, the basilic vein is an acceptable site for venipuncture. Nevertheless, IV nurses sometimes refer to the basilic vein as the "virgin vein", since with the arm typically supinated during phlebotomy the basilic vein below the elbow becomes awkward to access, and is therefore infrequently used.^{[citation needed]}

Vascular surgeons sometimes utilize the basilic vein to create an AV (arteriovenous) fistula or AV graft for hemodialysis access in patients with kidney failure.^[3]

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  Cross-section through the middle of upper arm
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  Cross-section through the middle of the forearm
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  Moderate-sized basilic vein of forearm (adult male): Estimated lumen diameter 6.5 mm. Anatomically typical branching pattern.
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  Basilic vein, muscular right forearm.
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  Basilic vein, right forearm (adolescent).

• Cephalic vein
• Median cubital vein

• Anatomy photo:07:st-0701 at the SUNY Downstate Medical Center
• Radiology image: UpperLimb:18VenoFo from Radiology Atlas at SUNY Downstate Medical Center (need to enable Java)
• Illustration