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Free Vessels Essays and Papers

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    throughout the circulation, i.e., some are always in close proximity to an inciting stimulus. Vasoactive Literally translated, this adjective means that a substance has the capacity to alter the physiologic state, especially the tone and caliber, of a vessel. Platelet-Derived Growth Factor (PDGF), a dimeric glycoprotein composed of two A and/or B chains, is the principal mitogen in serum for mesenchymal cells. Applications include culture of various cell types derived from connective tissue. It can also

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    Microsurgery: Sewing Blood Vessels and Nerves Back Together A man came into the emergency ward at one o'clock. His thumb came in an hour later. The surgeon's job: get them back together. The successful re-attaching of fingers to hand requires long hours of painstaking work in microsurgery. In the operating room , the surgeon doesn't stand, but sits in a chair that supports her body. Her arm is cradled by a pillow. Scalpels are present as are other standard surgical tools, but the suture

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    Biologically Tissue Engineered Blood Vessel

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    Introduction Tissue engineered blood vessels (TEBV) usually require synthetic or modified biological materials for support, strength and scaffolding effect. However a new approach includes the use of cultured human cells, which means no synthetic material or materials from outside the body are used. This is a breakthrough in science as the ability to engineer an organ and successfully implanting it could mean further breakthroughs in making bigger organs such as a liver or a kidney. Presently, the

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    case when analyzing a Dou Vessel from late 5th to early 4th century BCE China as well as a Zun Vessel from 13th century BCE. Both objects have similar purposes as well as certain aspects of design. However, they differ on other points of design and are also dramatically different in size. The parallels and distinctions of the two pieces are reflective of the cultural disparities and different methods of manufacturing during the two eras of creation. This particular Zun vessel was introduced during the

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    Ritual Wine Vessel

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    The Shang Dynasty invented and, over the years, perfected the technique of casting a bronze vessel from a clay mold assembly, which this wine vessel has also been made from using those techniques (Cantor). This mold was formed around a model of the vessel and was then cut into sections that were carved or impressed in the desired design, in this case the braided or grid design, on the inner or outer surfaces. The decorated clay piece-mold was then fired and reassembled around a clay core. Small bronze

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    Once the Vessel Cracks

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    Once the Vessel Cracks In the novel, A Tale of Two Cities, author Charles Dickens narrates the complex tale of love, rebirth, and revenge when a young aristocrat is wrongly incarcerated during the violent and unforgiving French Revolution. The closing of the story is a pleasant one for the aristocrat, who avoids his execution and successfully reunites with his loved ones through a narrow escape aided by a hopeless drunk, who trades in his own miserable life for that of the young man at the guillotine

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    called Chavín, after the best known ceremonial center, Chavín de Huántar. The religious center was the home to massive temples that were highly embellished with low relief sculptures of gods, animals, and symbols. The pottery found in the area where vessels that were well made and highly decorated with a similar motif as the temples. But the evolution of Peruvian pottery becomes somewhat confusing and complex after this first civilization of potters. There is a division of people into the North Coast

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    By the early 1400’s Europe reached a unique point in there Economy they had developed there economy to the highest Point possible for there time. The 1400’s ended the middle Ages and developed the age of exploration and discovery. The years of 500ad-1100ad is known as the early/ Low middle ages, during this period there economic heath Decreased 80%, from 1100ad-1400ad were the late/high Middle ages. The economic health increased due to the central Monarchy this was due to feudal states taking over

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    The Latest Treatment for Migraines

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    because they involve the swelling of the brain's blood vessels (2). The occurrence of migraine headaches, contrary to popular belief, is a disease. If you suffer from migraines you might be used to people comparing your migraine to a headache or trying to blame these "headaches" on you and your lifestyle. However, migraines are caused by the expansion of blood vessels whereas regular headaches area caused by the constriction of blood vessels. Although certain things such as harsh lighting, movement

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    Sickle Cell Anemia

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    that affects red blood cells. People with sickle cell have red blood cells that have mostly hemoglobin's, Sometimes these red blood cells become sickle-shaped or crescent shaped and have trouble going through small blood vessels. When sickle-shaped cells block small blood vessels, less blood can get to that part of the body. Tissue that does not get a normal blood flow eventually becomes damaged.This is what causes the problems of sickle cell disease.As to this day there is really no cure for sickle

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