Applying pressure causes the vessels to dilate and is analogous to 'holding off' a forelimb cephalic vein in a dog or cat. The tail vein can be punctured ∼3 cm from the tip. Figure 1 ...

Researchers claim that the leaf vein-inspired structure successfully ... Researchers created a photo-activated robotic dog that can crawl, jump, swim, and stand to show off the capabilities ...