universal veil
— Navneord
– Engelsk
~ membrane initially completely investing the young sporophore of various mushrooms that is ruptured by growth; represented in the mature mushroom by a volva around lower part of stem and scales on upper surface of the cap
uterine vein
— Navneord
– Engelsk
~ one of two veins on each side that arise from the uterine plexus and empty into the internal iliac vein
umbilical vein
— Navneord
– Engelsk
~ a vein in the umbilical cord; returns nutrient blood from the placenta to the fetus
ulnar vein
— Navneord
– Engelsk
~ any of several veins of the forearm