![]() These vessels then merge in the mediastinum and give rise to the superior vena cava, which enters the right atrium. For eksempel højtuddannede udvandrere med en ph.d. These unions of the internal jugular and subclavian veins form large brachiocephalic (innominate) veins on each side. tegn på brain drain blandt visse grupper. They pass downward through the neck beside the common carotid arteries and also join the subclavian veins. The internal jugular veins, which are somewhat larger than the external jugular veins, arise from numerous veins and venous sinuses of the brain and from deep veins in various parts of the face and neck. They empty into the right and ¡eft subclavian veins in the base of the neck (fig. These vessels descend on either side of the neck, passing over the sternocleidomastoid muscles and beneath the platysma. The external jugular (jug'u-lar) veins drain blood from the face, scalp, and superficial regions of the neck.
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