Science vs Common Sense. Saxophones are mostly made from brass, which is an alloy mostly of copper and zinc. There are and have been slightly different combinations, and various other metals (e.g. lead) also included. Saxophones are also made from other materials, e.g. copper, bronze, silver and plastic. Various finishes are available: different types of lacquer and metal plating, e.g. silver, gold and nickel.
Due to the many other functions of melanocyte-stimulating hormone besides melanin production, there are likely to be a number of other factors that regulate its production. This means that, unlike most hormones, melanocyte-stimulating hormone release is not thought to be controlled by a direct feedback mechanism.
Melanin is formed through the process of metabolization of tyrosine, which is an amino acid. In the skin, melanin is produced by cells called melanocytes. There are certain conditions in the body that involve melanin. For example, albinism is a condition where the body lacks melanin.In albinism, the normal amounts of pigment in the body are not there.It is not only humans that suffer from albinism.n the skin, melanin is produced by cells called melanocytes. There are certain conditions in the body that involve melanin. For example, albinism is a condition where the body lacks melanin. In albinism, the normal amounts of pigment in the body are not there. It is not only humans that suffer from albinism.