Veins act as highways in our body's circulatory system that carry deoxygenated blood back to the heart. Most blood draws occur through the median antecubital vein, located in the inner elbow region.

Antecubital-vein blood. Eight of the 11 patients with head and neck cancer showed megakaryocytes in 1 or more of the 20-ml. samples of antecubital-vein blood ( Fig. 4 ). Over 1 liter (1289 ml.) of ...

AIIMS neurologists who injected stem cells taken from a patient's bone marrow back into his antecubital vein have found that around 60% of 12 patients were able to carry out daily activities ...