Description
The deep veins accompany the arteries of the upper limb and sit with the muscles beneath the deep fascia. The deep veins are often duplicated and named after their arterial counterparts. There are many vessels connecting the superficial and deep venous drainage systems in the upper limb.
Related parts of the anatomy
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Vein
A venous sinus is a vein with a thin wall of endothelium that is devoid of smooth muscle to regulate its diameter.