Dr. Soma Weiss (1899-1942) described this case in his article, "Carotid sinus reflex in health and disease," published in Medicine, v. 12 (1933).
]]>Beginning in October 1948, weekly meetings of the Formed Elements Group of Cohn's laboratory staff and associates were held to discuss research and developments in plasma fractionation and blood preservation and storage. These meetings resulted in the establishment of the Blood Characterization and Preservation Laboratory in January, 1951.
While the first bowls for the Cohn centrifuge were made of glass, the examples here show later refinements, the one made of stainless steel, the other a single use, disposable bowl, developed by Allen D. Latham, Jr.
]]>Cohn Centrifuge, stainless steel, 1952-1972. Two metal components. The majority of the piece is composed of a bulbous metal body that tampers to a circular flat end. The widest point of the body has a thick metal band around its diameter. The body's hallow interior has several distinct chambers. The second piece of the cell separator inserts into the larger body. It is composed of a circular metal drum from which extends a thin cylinder with a plastic tip. When inserted into the body only the base of the drum is visible.
]]>Plaster model of embryo aged 7-8 weeks, Carnegie Stage 20. Unpainted plaster model of embryo head, sectioned at mouth aperture.
Both models are plaster set on wire mesh, and are part of a set of teaching models.
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