Learn More About Adult Bicycles. Find the bike that's right for you. Whether you're cruising down city streets or taking on the roughest mountain terrain, choose a bicycle that matches your needs as a cyclist.
Dermal melanin is produced by melanocytes, which are found in the stratum basale of the epidermis.
Melanin is the brown pigment that is secreted by melanocytes, a  type of cell in your skin. The type, combination of types, and  amount of melanin determine your skin color, â¦ both naturally and  with sun exposure.Freckles and moles are caused by high localized  concentrations of melanin, for example.he general function of melanin in our skin is to protect and secure skin and skin cells from harmful ultraviolet rays and rays coming from sun. It contains infinite cells kno â¦ wn as melanocytes which increase their production of melanin in response to sun exposure.