The second-most-common type incorporates L-cysteine and is found in greater concentrations in women.
The most common type in humans is made up of cross-linked DHI and DHICA polymers and has two types which differ from each other in the pattern of polymer bonds. The second-most-common type incorporates L-cysteine and is found in greater concentrations in women. This type may also become carcinogenic when exposed to (*) UV rays. It can be found in the zona reticularis in the adrenal cortex and the stria vascularis in the inner ear. People of African descent were at a higher risk of developing rickets before the advent of vitamin D supplements, because their skin contains higher levels of this substance. In the brain, it causes the distinctive coloration of the locus ceruleus and the substantia nigra. FTP, name this skin and hair pigment whose deficiency can be caused by albinism.
The most common type in humans is made up of cross-linked DHI and DHICA polymers and has two types which differ from each other in the pattern of polymer bonds.
{melanin} (accept “{eumelanin}” until “{second}-{most}-{common type}”)