At high noon, as if programmed, the ant plunges its mandibles into the juicy main vein of a leaf and soon dies. (scientificamerican.com)
The mottled areas have irregular outlines, and may follow the main veins. (fieryfoodscentral.com)
Your baby, now growing rapidly, may get pressed against the vena cava, which is the main vein that carries blood back to your heart from your lower body. (doctor-info.website)