Das Wörterbuch medizinischer Fachausdrücke. 2013.
ring — 1. A circular band surrounding a wide central opening; a r. shaped or circular structure surrounding an opening or level area. SYN: anulus [TA]. 2. The closed ( i.e., endless) chain of atoms in a cyclic compound; commonly used for “cyclic” or… … Medical dictionary
Graefenberg — Ernst, German gynecologist in America, 1881–1957. See G. ring … Medical dictionary
Gräfenberg-Ring — Der Gräfenberg Ring war eines der ersten Intrauterinpessare, welches vom deutschen Mediziner Ernst Gräfenberg entwickelt wurde. Es handelte sich dabei um einen mit Silberdraht umwickelten Ring, der in die Gebärmutter gelegt wurde und keine… … Deutsch Wikipedia
Ernst Gräfenberg — (26 September 1881 in Adelebsen near Göttingen, Germany – 28 October 1957 in New York City, USA) was a German born medical doctor and scientist. He is known for developing the intrauterine device (IUD), and for his studies of the role of the… … Wikipedia
