Ismar Isidor Boas

Ismar Isidor Boas

Ismar Isidor Boas (March 28, 1858 - March 15, 1938) was a German gastroenterologist who was born in the town of Exin. He studied medicine in Berlin, Halle and Leipzig, and subsequently became an assistant to Carl Anton Ewald (1845-1915) at the Augusta Hospital in Berlin. In 1886 he became a licensed specialist of gastro-intestinal diseases in Berlin.

Boas was one of the leading authorities on gastroenterology in Europe. Alone, and with Professor Ewald, he made several contributions regarding the pathology and physiology of digestion. He described "lactobacillus acidophilus", a bacillus found in the gastric juice of individuals with stomach carcinoma. This bacterium is sometimes referred to as the "Boas-Oppler bacillus".

In 1895 he founded the "Archiv für Verdauungs-Krankheiten", the first medical journal dedicated to gastroenterological topics, and in 1920 established the German gastroenterological society. He also has a handful of eponyms named in his honor, including:
* "Boas' algesimeter": an instrument used for determining the sensitiveness over the epigastrium.
* "Boas' point": a tender spot to the left of the twelfth thoracic vertebra in individuals with gastric ulcer.

References

* [http://www.whonamedit.com/doctor.cfm/2656.html Who Named It?, Ismar Isidor Boas]


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