Injection of the. right vertebral artery demonstrated retrograde flow. into the left vertebral artery (Fig. 1). Thoracic. aortography failed to delineate any obstruction in. the proximal segments of the great vessels. CASE II: ].
Yellow poplar or tulip poplar is the tallest hardwood tree in North America with one of the most perfect and straight trunks in the forest. Yellow poplar has a very unique leaf with four lobes separated by rounded notches. The showy flower is tulip-like (or lily-like) which supports the alternate name of tulip poplar.ellow poplar or tulip poplar is the tallest hardwood tree in North America with one of the most perfect and straight trunks in the forest. Yellow poplar has a very unique leaf with four lobes separated by rounded notches. The showy flower is tulip-like (or lily-like) which supports the alternate name of tulip poplar.
The word Tulip is thought to be a corruption of the Turkish word 'tulbend' for turban. The Tulip was introduced by a famous Austrian biologist Carolus Clusius. Tulip plants belong to the genus Tulipa, in the lily family, Liliaceae.Tulips bloom on bulbous plants, with large, showy flowers with six petals.ulips are some of the most popular spring flowers of all time, and the third most popular flowers world-wide next only to the Rose and Chrysanthemum. Tulips come in an incredible variety of colors, height, and flower shapes.