Catgut
The catgut is an anglophone term which indicates cord S rigid manufactured starting from intestines of Mouton, sometimes of Cheval, Mulet or ass. There is no direct link with the Chat ( cat in English) - the etymology of the word would be to bring closer to kitgut (cords of Violon), kit meaning “violin” but having caused a confusion with cat , whose kit is a deformed pronunciation.
The catgut was initially used for the cords of Harpe and Violon, then for any kind of string instruments, until the traditional Guitare. Its robustness was put at contribution for the arc S, the lifting of heavy objects the such clocks, or in the industry of wood. The first rackets of Tennis had cords of catgut.
Manufacture remained artisanal a long time about it. The intestines are hollowed out, degreased and plunged in water during some time, after which their external membrane can be planed with a blunted blade. The intestines are then soaked in a bath of Alkaline, are sandpapered and equalized and stretched. One asepticizes them thanks to the vapors of a bath of bubbling Sulfure, and if need be, one carries out their dyeing. Classified by size, they can be assembled to form robust cords of various sizes. The most famous cords for the musical instruments come from Italy (known as “Romance cords”). It was observed that the thin and sick animals give the best intestines.
The catgut in medicine
The catgut is a wire of Suture résorbable: it disaggregates with time and thus does not require to be removed. The catgut of animal origin is always used today (bovine origin), although there exists artificial catgut.
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