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.
We all have pigment-producing cells in our skin called melanocytes. These melanocytes produce melanin pigment and feed it to keratinocytes, the normal skin cells that form the outer barrier of our skin.This barrier protects us from the insults of nature, and importantly, from the sun.This pigment prevents us from being damaged by the sunâs powerful rays.hese melanocytes produce melanin pigment and feed it to keratinocytes, the normal skin cells that form the outer barrier of our skin.This barrier protects us from the insults of nature, and importantly, from the sun. This pigment prevents us from being damaged by the sunâs powerful rays.