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.
- produced in stratum basal by melanocytes. - color may range form yellow-brown to black. - people of all skin colors have similar numbers of melanocytes in their skin (produce granules at the same rate) - diff colors and keratinocytes may contain more/less melanin. - derived from tyrosine through the action of tyrosinase. - lack of melanin: albinism.