Some people's veins are hard to find due to factors like dehydration, stress, vein depth, or external conditions.

Usually, the antecubital area, where the elbow bends, is used to access the median cubital vein. Since it’s easy to visualize and puncture, it’s also more stable than its neighbors, ...

In newborns, cubital veins and the saphenous vein are also frequently used for insertion of peripherally inserted central catheters. Subclavian Veins.

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 ...

The fastest and the most potent antioxidant reactant among them is vitamin C. 20 In this study, we determined that vitamin C concentration of penile blood was lower than that of cubital vein blood.