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Cureus
January 2021
Neurology, Flowers Medical Group, Dothan, USA.
The thalamus is a complex structure with over 40 named nuclei. Ischemic lesions of the thalamus exhibit a panorama of phenomena ranging from facial numbness to ocular and visual field disturbances to hemiplegia, behavioral disorders, and stupor. It is a dense neuronal hub with a bewildering variety of connections and functions.
View Article and Find Full Text PDFAnn Thorac Surg
December 2003
Emeritus Clinical Professor of Surgery, Wright State University Medical School, Dayton, Ohio, USA.
Open heart surgery was not possible before the early 1950s. The development of controlled cross-circulation at the University of Minnesota in 1953 was a major contributing factor toward operating safely on the interior of the heart. Cross-circulation required connecting a donor's arterial and venous blood vessels to those of a smaller recipient whose heart could then be opened for corrective surgery.
View Article and Find Full Text PDFMed Dosim
March 1991
Department of Radiation Medicine, Massachusetts General Hospital Cancer Center, Boston 02114.
Positioning lasers used in radiotherapy generally require little adjustment. When required, this is easy to do for sidelights, but can be difficult and time consuming for ceiling mounted lasers. For this purpose, we have modified a commercial positioning laser by incorporating a device for rotating the alignment adjustment screws.
View Article and Find Full Text PDFThe author starts by showing that the first forceps were originally designed to handle hot metal in founderies and that the word derived from "formus" (hot) and "capere" (to take). The author, Professor Dumont, tries to trace the history of the development of modern forceps, discussing whether the Arabs or such well known authors of classical works as Roesslin, Raynald, Rueff and Rousset knew of the instrument or whether they just described instruments of destruction. Crainz in 1941 had written an article to discuss whether the early Romans had forceps and came to no firm conclusion.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!