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In vivo demonstration of small intestinal villi in dogs and monkeys using radiographic magnification. 1982

H I Goldberg, and R Gould, and J Rosenquist, and S Royal, and R L Owen, and S Silverman

Direct radiographic magnification (3.6 x) and a microfocal spot radiographic tube (0.13 mm) were used in double contrast studies of intestinal villi in adult dogs and monkeys. The villi appeared as lucent lines surrounded by barium in profile, and as lucent dots en face; this was verified by specimen radiographic and histological analysis. The use of fast screen-film combination, motility depressant, microfocal spot tube, and air-gap technique produced a radiograph of greater detail than that obtained with conventional focal spot, source-image distance, and film-screen combination. The advantages and limitations of microfocal direct magnification radiography of the small intestine are discussed.

UI MeSH Term Description Entries
D007583 Jejunum The middle portion of the SMALL INTESTINE, between DUODENUM and ILEUM. It represents about 2/5 of the remaining portion of the small intestine below duodenum. Jejunums
D008253 Macaca mulatta A species of the genus MACACA inhabiting India, China, and other parts of Asia. The species is used extensively in biomedical research and adapts very well to living with humans. Chinese Rhesus Macaques,Macaca mulatta lasiota,Monkey, Rhesus,Rhesus Monkey,Rhesus Macaque,Chinese Rhesus Macaque,Macaca mulatta lasiotas,Macaque, Rhesus,Rhesus Macaque, Chinese,Rhesus Macaques,Rhesus Macaques, Chinese,Rhesus Monkeys
D008871 Microvilli Minute projections of cell membranes which greatly increase the surface area of the cell. Brush Border,Striated Border,Border, Brush,Border, Striated,Borders, Brush,Borders, Striated,Brush Borders,Microvillus,Striated Borders
D010781 Photography Method of making images on a sensitized surface by exposure to light or other radiant energy. Photographies
D011858 Radiographic Magnification Use of optic and geometric techniques to enhance radiographic image quality and interpretation. It includes use of microfocal X-ray tubes and intensifying fluoroscopic screens. Magnification, Radiographic,Magnifications, Radiographic,Radiographic Magnifications
D002462 Cell Membrane The lipid- and protein-containing, selectively permeable membrane that surrounds the cytoplasm in prokaryotic and eukaryotic cells. Plasma Membrane,Cytoplasmic Membrane,Cell Membranes,Cytoplasmic Membranes,Membrane, Cell,Membrane, Cytoplasmic,Membrane, Plasma,Membranes, Cell,Membranes, Cytoplasmic,Membranes, Plasma,Plasma Membranes
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005260 Female Females
D000388 Air The mixture of gases present in the earth's atmosphere consisting of oxygen, nitrogen, carbon dioxide, and small amounts of other gases.
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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