<Ul> <Li> The use of animal gut strings by musicians can be traced back to the third dynasty of Egypt . In the recent past, strings were made out of lamb gut . With the advent of the modern era, musicians have tended to use strings made of silk, or synthetic materials such as nylon or steel . Some instrumentalists, however, still use gut strings in order to evoke the older tone quality . Although such strings were commonly referred to as "catgut" strings, cats were never used as a source for gut strings . </Li> <Li> Sheep gut was the original source for natural gut string used in racquets, such as for tennis . Today, synthetic strings are much more common, but the best gut strings are now made out of cow gut . </Li> <Li> Gut cord has also been used to produce strings for the snares that provide a snare drum's characteristic buzzing timbre . While the modern snare drum almost always uses metal wire rather than gut cord, the North African bendir frame drum still uses gut for this purpose . </Li> <Li> "Natural" sausage hulls, or casings, are made of animal gut, especially hog, beef, and lamb . </Li> <Li> The wrapping of kokoretsi, gardoubakia, and torcinello is made of lamb (or goat) gut . </Li> <Li> Haggis is traditionally boiled in, and served in, a sheep stomach . </Li> <Li> Chitterlings, a kind of food, consist of thoroughly washed pig's gut . </Li> <Li> Animal gut was used to make the cord lines in longcase clocks and for fusee movements in bracket clocks, but may be replaced by metal wire . </Li> <Li> The oldest known condoms, from 1640 AD, were made from animal intestine . </Li> </Ul> <Li> The use of animal gut strings by musicians can be traced back to the third dynasty of Egypt . In the recent past, strings were made out of lamb gut . With the advent of the modern era, musicians have tended to use strings made of silk, or synthetic materials such as nylon or steel . Some instrumentalists, however, still use gut strings in order to evoke the older tone quality . Although such strings were commonly referred to as "catgut" strings, cats were never used as a source for gut strings . </Li> <Li> Sheep gut was the original source for natural gut string used in racquets, such as for tennis . Today, synthetic strings are much more common, but the best gut strings are now made out of cow gut . </Li> <Li> Gut cord has also been used to produce strings for the snares that provide a snare drum's characteristic buzzing timbre . While the modern snare drum almost always uses metal wire rather than gut cord, the North African bendir frame drum still uses gut for this purpose . </Li>

A chemical is absorbed though the digestive track but not through the skin