The posterior subcutaneous vein of the forearm (lat. v. subcutanea antebrachii posterior) is one of the superficial veins of the forearm.
This vein begins at the wrist joint from the lateral carpal vein. Then it rises along the dorsum of the forearm in the subcutaneous tissue.
Along the course of the forearm vein, the posterior saphenous vein receives venous blood from the dorsum of the skin of the forearm, subcutaneous tissue and extensor muscles of the hand and fingers.
In the upper third of the forearm, the posterior saphenous vein flows into the ulnar vein or one of its tributaries.
Thus, the posterior saphenous vein of the forearm provides the outflow of venous blood from the dorsum of the forearm into the deep venous system of the arm.
The posterior saphenous vein of the forearm (lat. vena subcutanea anteríor brachíi postérior) is a deep vein that is formed as a result of the fusion of the medial and lateral canals of the carpal joint. It passes through the forearm under the skin and drains into the posterior vena cava. The main function of this vein is to drain venous blood from the upper limb and transfer it to the central venous bed.
History of the study Despite the fact that the vein of the forearm, the posterior saphenous, belongs to the deep venous system, its morphology and functions have long remained unresolved questions for scientists around the world. In the last century, many researchers studied the deep veins of the hands and forearm. The Austrian physician Joseph von Haller was the first to suggest the existence of two venous streams in the upper limb. However, he could not determine the place of their exit, and described them as connecting vessels of the superficial and deep veins. Later, in 1846, Leopold Ribitsch, also an Austrian physician, proposed that the saphenous veins of the forearm originate in the carpal tunnel, from where they “pass just above the plantar aponeurosis through the posterior wall of the transverse funiculus of the forearm.” He then described the terminal branch of the vein into the central vein (similar to Ullmann's "brook vein"). A few years after this, Barron F.S. (Barron FS), an American angiologist, made the first anatomical study of the vein in question. In 1920, he described the location and topography of the posterior forearm vein