Catgut suture used on a kit, or fiddle). Misinterpretation of the word kit as referring to a young cat led to the use of the term catgut. Surgical gut is in fact made from the submucosa of sheep intestine or the serosa of bovine intestine and is approximately 90% collagen. Perhaps another possible explanation of the name is the combination of the words cattle and gut. B Braun Medical AG, a German Multi National company first industrialized catgut suture and Catgut is a brand registered with B Braun. Catgut Chrome (B Braun) suture is a variant treated with chromic acid salts. This
Concerto for Piano, Violin and Strings (Mendelssohn) Concerto for Piano, Violin and Strings (Mendelssohn) The Concerto for Piano, Violin, and Strings in D minor, MWV O4, also known as the Double Concerto in D minor, was written in 1823 by Felix Mendelssohn when he was 14 years old. This piece is Mendelssohn's fourth work for a solo instrument with orchestral accompaniment, preceded by a Largo and Allegro in D minor for Piano and Strings MWV O1, the Piano Concerto in A Minor MWV O2, and the Violin Concerto in D minor MWV O3. Mendelssohn composed the work to be performed for a private concert on May 25,